Home / 61,603-131,953

Finding the Third Proportional to 61,603 and 131,953

Calculator

Solution

The third proportional to 61,603 and 131,953 is: 282,641.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,603 : 131,953 = 131,953 : x
  2. Step 2: Convert to fraction form
    61,603/131,953 = 131,953/x
  3. Step 3: Cross multiply
    61,603x = 131,953 × 131,953
  4. Step 4: Simplify right side
    61,603x = 17,411,594,209
  5. Step 5: Solve for x
    x = 17,411,594,209/61,603
  6. Step 6: Final answer
    x = 282,641.99

Related Problems

Find third proportional to 30,801.50 and 65,976.50
Half scale
Find third proportional to 123,206 and 263,906
Double scale
Find third proportional to 61,605 and 131,957
Similar ratio
Find third proportional to 92,404.50 and 197,929.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.