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Finding the Third Proportional to 139,828,068 and 285,207,624

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Solution

The third proportional to 139,828,068 and 285,207,624 is: 581,738,630.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,828,068 : 285,207,624 = 285,207,624 : x
  2. Step 2: Convert to fraction form
    139,828,068/285,207,624 = 285,207,624/x
  3. Step 3: Cross multiply
    139,828,068x = 285,207,624 × 285,207,624
  4. Step 4: Simplify right side
    139,828,068x = 81,343,388,787,725,376
  5. Step 5: Solve for x
    x = 81,343,388,787,725,376/139,828,068
  6. Step 6: Final answer
    x = 581,738,630.53

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.