Home / 61,398-133,740

Finding the Third Proportional to 61,398 and 133,740

Calculator

Solution

The third proportional to 61,398 and 133,740 is: 291,318.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,398 : 133,740 = 133,740 : x
  2. Step 2: Convert to fraction form
    61,398/133,740 = 133,740/x
  3. Step 3: Cross multiply
    61,398x = 133,740 × 133,740
  4. Step 4: Simplify right side
    61,398x = 17,886,387,600
  5. Step 5: Solve for x
    x = 17,886,387,600/61,398
  6. Step 6: Final answer
    x = 291,318.73

Related Problems

Find third proportional to 30,699 and 66,870
Half scale
Find third proportional to 122,796 and 267,480
Double scale
Find third proportional to 61,400 and 133,744
Similar ratio
Find third proportional to 92,097 and 200,610
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.