Home / 218,739,270-319,804,455

Finding the Third Proportional to 218,739,270 and 319,804,455

Calculator

Solution

The third proportional to 218,739,270 and 319,804,455 is: 467,565,286.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,739,270 : 319,804,455 = 319,804,455 : x
  2. Step 2: Convert to fraction form
    218,739,270/319,804,455 = 319,804,455/x
  3. Step 3: Cross multiply
    218,739,270x = 319,804,455 × 319,804,455
  4. Step 4: Simplify right side
    218,739,270x = 102,274,889,437,847,024
  5. Step 5: Solve for x
    x = 102,274,889,437,847,024/218,739,270
  6. Step 6: Final answer
    x = 467,565,286.46

Related Problems

Find third proportional to 109,369,635 and 159,902,227.50
Half scale
Find third proportional to 437,478,540 and 639,608,910
Double scale
Find third proportional to 218,739,272 and 319,804,458
Similar ratio
Find third proportional to 328,108,905 and 479,706,682.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.