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Finding the Third Proportional to 51,144,801.75 and 78,239,355.75

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Solution

The third proportional to 51,144,801.75 and 78,239,355.75 is: 119,687,565.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,144,801.75 : 78,239,355.75 = 78,239,355.75 : x
  2. Step 2: Convert to fraction form
    51,144,801.75/78,239,355.75 = 78,239,355.75/x
  3. Step 3: Cross multiply
    51,144,801.75x = 78,239,355.75 × 78,239,355.75
  4. Step 4: Simplify right side
    51,144,801.75x = 6,121,396,788,175,058
  5. Step 5: Solve for x
    x = 6,121,396,788,175,058/51,144,801.75
  6. Step 6: Final answer
    x = 119,687,565.08

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.