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Finding the Third Proportional to 131,950,128 and 272,951,520

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Solution

The third proportional to 131,950,128 and 272,951,520 is: 564,626,449.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,950,128 : 272,951,520 = 272,951,520 : x
  2. Step 2: Convert to fraction form
    131,950,128/272,951,520 = 272,951,520/x
  3. Step 3: Cross multiply
    131,950,128x = 272,951,520 × 272,951,520
  4. Step 4: Simplify right side
    131,950,128x = 74,502,532,270,310,400
  5. Step 5: Solve for x
    x = 74,502,532,270,310,400/131,950,128
  6. Step 6: Final answer
    x = 564,626,449.40

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.