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Finding the Third Proportional to 5,679,637.31 and 12,387,285.84

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Solution

The third proportional to 5,679,637.31 and 12,387,285.84 is: 27,016,663.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679,637.31 : 12,387,285.84 = 12,387,285.84 : x
  2. Step 2: Convert to fraction form
    5,679,637.31/12,387,285.84 = 12,387,285.84/x
  3. Step 3: Cross multiply
    5,679,637.31x = 12,387,285.84 × 12,387,285.84
  4. Step 4: Simplify right side
    5,679,637.31x = 153,444,850,574,769.16
  5. Step 5: Solve for x
    x = 153,444,850,574,769.16/5,679,637.31
  6. Step 6: Final answer
    x = 27,016,663.59

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.