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Finding the Third Proportional to 242,963,958 and 391,251,996

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Solution

The third proportional to 242,963,958 and 391,251,996 is: 630,044,577.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,963,958 : 391,251,996 = 391,251,996 : x
  2. Step 2: Convert to fraction form
    242,963,958/391,251,996 = 391,251,996/x
  3. Step 3: Cross multiply
    242,963,958x = 391,251,996 × 391,251,996
  4. Step 4: Simplify right side
    242,963,958x = 153,078,124,373,984,000
  5. Step 5: Solve for x
    x = 153,078,124,373,984,000/242,963,958
  6. Step 6: Final answer
    x = 630,044,577.95

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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.