Home / 12,109,722.75-20,182,132.13

Finding the Third Proportional to 12,109,722.75 and 20,182,132.13

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Solution

The third proportional to 12,109,722.75 and 20,182,132.13 is: 33,635,655.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,109,722.75 : 20,182,132.13 = 20,182,132.13 : x
  2. Step 2: Convert to fraction form
    12,109,722.75/20,182,132.13 = 20,182,132.13/x
  3. Step 3: Cross multiply
    12,109,722.75x = 20,182,132.13 × 20,182,132.13
  4. Step 4: Simplify right side
    12,109,722.75x = 407,318,457,110,957
  5. Step 5: Solve for x
    x = 407,318,457,110,957/12,109,722.75
  6. Step 6: Final answer
    x = 33,635,655.05

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.