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Finding the Third Proportional to 71,882,650 and 155,073,220

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Solution

The third proportional to 71,882,650 and 155,073,220 is: 334,541,138.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,882,650 : 155,073,220 = 155,073,220 : x
  2. Step 2: Convert to fraction form
    71,882,650/155,073,220 = 155,073,220/x
  3. Step 3: Cross multiply
    71,882,650x = 155,073,220 × 155,073,220
  4. Step 4: Simplify right side
    71,882,650x = 24,047,703,561,168,400
  5. Step 5: Solve for x
    x = 24,047,703,561,168,400/71,882,650
  6. Step 6: Final answer
    x = 334,541,138.39

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.