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Finding the Third Proportional to 80,423,282.50 and 124,274,479

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Solution

The third proportional to 80,423,282.50 and 124,274,479 is: 192,035,759.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,423,282.50 : 124,274,479 = 124,274,479 : x
  2. Step 2: Convert to fraction form
    80,423,282.50/124,274,479 = 124,274,479/x
  3. Step 3: Cross multiply
    80,423,282.50x = 124,274,479 × 124,274,479
  4. Step 4: Simplify right side
    80,423,282.50x = 15,444,146,130,721,440
  5. Step 5: Solve for x
    x = 15,444,146,130,721,440/80,423,282.50
  6. Step 6: Final answer
    x = 192,035,759.43

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.