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Finding the Third Proportional to 242,963,962 and 391,252,002

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Solution

The third proportional to 242,963,962 and 391,252,002 is: 630,044,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,963,962 : 391,252,002 = 391,252,002 : x
  2. Step 2: Convert to fraction form
    242,963,962/391,252,002 = 391,252,002/x
  3. Step 3: Cross multiply
    242,963,962x = 391,252,002 × 391,252,002
  4. Step 4: Simplify right side
    242,963,962x = 153,078,129,069,008,000
  5. Step 5: Solve for x
    x = 153,078,129,069,008,000/242,963,962
  6. Step 6: Final answer
    x = 630,044,586.90

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.