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Finding the Third Proportional to 87,455,712 and 191,386,164

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Solution

The third proportional to 87,455,712 and 191,386,164 is: 418,825,288.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,455,712 : 191,386,164 = 191,386,164 : x
  2. Step 2: Convert to fraction form
    87,455,712/191,386,164 = 191,386,164/x
  3. Step 3: Cross multiply
    87,455,712x = 191,386,164 × 191,386,164
  4. Step 4: Simplify right side
    87,455,712x = 36,628,663,770,634,896
  5. Step 5: Solve for x
    x = 36,628,663,770,634,896/87,455,712
  6. Step 6: Final answer
    x = 418,825,288.06

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.