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Finding the Third Proportional to 20,228,940 and 32,174,739

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Solution

The third proportional to 20,228,940 and 32,174,739 is: 51,174,892.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,228,940 : 32,174,739 = 32,174,739 : x
  2. Step 2: Convert to fraction form
    20,228,940/32,174,739 = 32,174,739/x
  3. Step 3: Cross multiply
    20,228,940x = 32,174,739 × 32,174,739
  4. Step 4: Simplify right side
    20,228,940x = 1,035,213,829,718,121
  5. Step 5: Solve for x
    x = 1,035,213,829,718,121/20,228,940
  6. Step 6: Final answer
    x = 51,174,892.49

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.