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Finding the Third Proportional to 70,690,676 and 155,553,113

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Solution

The third proportional to 70,690,676 and 155,553,113 is: 342,290,841.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,690,676 : 155,553,113 = 155,553,113 : x
  2. Step 2: Convert to fraction form
    70,690,676/155,553,113 = 155,553,113/x
  3. Step 3: Cross multiply
    70,690,676x = 155,553,113 × 155,553,113
  4. Step 4: Simplify right side
    70,690,676x = 24,196,770,963,990,768
  5. Step 5: Solve for x
    x = 24,196,770,963,990,768/70,690,676
  6. Step 6: Final answer
    x = 342,290,841.35

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.