Home / 208,051-319,853

Finding the Third Proportional to 208,051 and 319,853

Calculator

Solution

The third proportional to 208,051 and 319,853 is: 491,734.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,051 : 319,853 = 319,853 : x
  2. Step 2: Convert to fraction form
    208,051/319,853 = 319,853/x
  3. Step 3: Cross multiply
    208,051x = 319,853 × 319,853
  4. Step 4: Simplify right side
    208,051x = 102,305,941,609
  5. Step 5: Solve for x
    x = 102,305,941,609/208,051
  6. Step 6: Final answer
    x = 491,734.92

Related Problems

Find third proportional to 104,025.50 and 159,926.50
Half scale
Find third proportional to 416,102 and 639,706
Double scale
Find third proportional to 208,053 and 319,856
Similar ratio
Find third proportional to 312,076.50 and 479,779.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.