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Finding the Third Proportional to 18,487,670 and 28,850,719

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Solution

The third proportional to 18,487,670 and 28,850,719 is: 45,022,654.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,487,670 : 28,850,719 = 28,850,719 : x
  2. Step 2: Convert to fraction form
    18,487,670/28,850,719 = 28,850,719/x
  3. Step 3: Cross multiply
    18,487,670x = 28,850,719 × 28,850,719
  4. Step 4: Simplify right side
    18,487,670x = 832,363,986,816,961
  5. Step 5: Solve for x
    x = 832,363,986,816,961/18,487,670
  6. Step 6: Final answer
    x = 45,022,654.93

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.