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Finding the Third Proportional to 40,724,620 and 56,965,769

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Solution

The third proportional to 40,724,620 and 56,965,769 is: 79,683,956.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,724,620 : 56,965,769 = 56,965,769 : x
  2. Step 2: Convert to fraction form
    40,724,620/56,965,769 = 56,965,769/x
  3. Step 3: Cross multiply
    40,724,620x = 56,965,769 × 56,965,769
  4. Step 4: Simplify right side
    40,724,620x = 3,245,098,837,761,361
  5. Step 5: Solve for x
    x = 3,245,098,837,761,361/40,724,620
  6. Step 6: Final answer
    x = 79,683,956.23

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.