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Finding the Third Proportional to 64,694,376 and 139,253,620.50

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Solution

The third proportional to 64,694,376 and 139,253,620.50 is: 299,741,214.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,694,376 : 139,253,620.50 = 139,253,620.50 : x
  2. Step 2: Convert to fraction form
    64,694,376/139,253,620.50 = 139,253,620.50/x
  3. Step 3: Cross multiply
    64,694,376x = 139,253,620.50 × 139,253,620.50
  4. Step 4: Simplify right side
    64,694,376x = 19,391,570,822,358,020
  5. Step 5: Solve for x
    x = 19,391,570,822,358,020/64,694,376
  6. Step 6: Final answer
    x = 299,741,214.33

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.