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Finding the Third Proportional to 40,904,456 and 61,780,865

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Solution

The third proportional to 40,904,456 and 61,780,865 is: 93,311,967.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,904,456 : 61,780,865 = 61,780,865 : x
  2. Step 2: Convert to fraction form
    40,904,456/61,780,865 = 61,780,865/x
  3. Step 3: Cross multiply
    40,904,456x = 61,780,865 × 61,780,865
  4. Step 4: Simplify right side
    40,904,456x = 3,816,875,280,148,225
  5. Step 5: Solve for x
    x = 3,816,875,280,148,225/40,904,456
  6. Step 6: Final answer
    x = 93,311,967.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.