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Finding the Third Proportional to 133,073 and 291,909

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Solution

The third proportional to 133,073 and 291,909 is: 640,331.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,073 : 291,909 = 291,909 : x
  2. Step 2: Convert to fraction form
    133,073/291,909 = 291,909/x
  3. Step 3: Cross multiply
    133,073x = 291,909 × 291,909
  4. Step 4: Simplify right side
    133,073x = 85,210,864,281
  5. Step 5: Solve for x
    x = 85,210,864,281/133,073
  6. Step 6: Final answer
    x = 640,331.73

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.