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Finding the Third Proportional to 40,904,457 and 61,780,868

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Solution

The third proportional to 40,904,457 and 61,780,868 is: 93,311,974.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,904,457 : 61,780,868 = 61,780,868 : x
  2. Step 2: Convert to fraction form
    40,904,457/61,780,868 = 61,780,868/x
  3. Step 3: Cross multiply
    40,904,457x = 61,780,868 × 61,780,868
  4. Step 4: Simplify right side
    40,904,457x = 3,816,875,650,833,424
  5. Step 5: Solve for x
    x = 3,816,875,650,833,424/40,904,457
  6. Step 6: Final answer
    x = 93,311,974.56

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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.