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Finding the Third Proportional to 29,787,374.25 and 64,279,552.50

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Solution

The third proportional to 29,787,374.25 and 64,279,552.50 is: 138,711,819.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,787,374.25 : 64,279,552.50 = 64,279,552.50 : x
  2. Step 2: Convert to fraction form
    29,787,374.25/64,279,552.50 = 64,279,552.50/x
  3. Step 3: Cross multiply
    29,787,374.25x = 64,279,552.50 × 64,279,552.50
  4. Step 4: Simplify right side
    29,787,374.25x = 4,131,860,869,600,256
  5. Step 5: Solve for x
    x = 4,131,860,869,600,256/29,787,374.25
  6. Step 6: Final answer
    x = 138,711,819.14

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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.