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Finding the Third Proportional to 137,164,620 and 208,962,597

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Solution

The third proportional to 137,164,620 and 208,962,597 is: 318,342,783.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,164,620 : 208,962,597 = 208,962,597 : x
  2. Step 2: Convert to fraction form
    137,164,620/208,962,597 = 208,962,597/x
  3. Step 3: Cross multiply
    137,164,620x = 208,962,597 × 208,962,597
  4. Step 4: Simplify right side
    137,164,620x = 43,665,366,944,984,408
  5. Step 5: Solve for x
    x = 43,665,366,944,984,408/137,164,620
  6. Step 6: Final answer
    x = 318,342,783.62

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.