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Finding the Third Proportional to 64,167,975 and 138,564,814.50

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Solution

The third proportional to 64,167,975 and 138,564,814.50 is: 299,217,917.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,167,975 : 138,564,814.50 = 138,564,814.50 : x
  2. Step 2: Convert to fraction form
    64,167,975/138,564,814.50 = 138,564,814.50/x
  3. Step 3: Cross multiply
    64,167,975x = 138,564,814.50 × 138,564,814.50
  4. Step 4: Simplify right side
    64,167,975x = 19,200,207,817,419,412
  5. Step 5: Solve for x
    x = 19,200,207,817,419,412/64,167,975
  6. Step 6: Final answer
    x = 299,217,917.00

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.