Home / 198,442-277,575

Finding the Third Proportional to 198,442 and 277,575

Calculator

Solution

The third proportional to 198,442 and 277,575 is: 388,263.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,442 : 277,575 = 277,575 : x
  2. Step 2: Convert to fraction form
    198,442/277,575 = 277,575/x
  3. Step 3: Cross multiply
    198,442x = 277,575 × 277,575
  4. Step 4: Simplify right side
    198,442x = 77,047,880,625
  5. Step 5: Solve for x
    x = 77,047,880,625/198,442
  6. Step 6: Final answer
    x = 388,263.98

Related Problems

Find third proportional to 99,221 and 138,787.50
Half scale
Find third proportional to 396,884 and 555,150
Double scale
Find third proportional to 198,444 and 277,578
Similar ratio
Find third proportional to 297,663 and 416,362.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.