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Finding the Third Proportional to 75,866,800 and 108,412,040

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Solution

The third proportional to 75,866,800 and 108,412,040 is: 154,918,494.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,866,800 : 108,412,040 = 108,412,040 : x
  2. Step 2: Convert to fraction form
    75,866,800/108,412,040 = 108,412,040/x
  3. Step 3: Cross multiply
    75,866,800x = 108,412,040 × 108,412,040
  4. Step 4: Simplify right side
    75,866,800x = 11,753,170,416,961,600
  5. Step 5: Solve for x
    x = 11,753,170,416,961,600/75,866,800
  6. Step 6: Final answer
    x = 154,918,494.22

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.