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Finding the Third Proportional to 38,679,979 and 58,518,262

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Solution

The third proportional to 38,679,979 and 58,518,262 is: 88,531,252.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,679,979 : 58,518,262 = 58,518,262 : x
  2. Step 2: Convert to fraction form
    38,679,979/58,518,262 = 58,518,262/x
  3. Step 3: Cross multiply
    38,679,979x = 58,518,262 × 58,518,262
  4. Step 4: Simplify right side
    38,679,979x = 3,424,386,987,500,644
  5. Step 5: Solve for x
    x = 3,424,386,987,500,644/38,679,979
  6. Step 6: Final answer
    x = 88,531,252.50

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.