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Finding the Third Proportional to 12,359,769.75 and 18,827,488.13

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Solution

The third proportional to 12,359,769.75 and 18,827,488.13 is: 28,679,685.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359,769.75 : 18,827,488.13 = 18,827,488.13 : x
  2. Step 2: Convert to fraction form
    12,359,769.75/18,827,488.13 = 18,827,488.13/x
  3. Step 3: Cross multiply
    12,359,769.75x = 18,827,488.13 × 18,827,488.13
  4. Step 4: Simplify right side
    12,359,769.75x = 354,474,309,097,016
  5. Step 5: Solve for x
    x = 354,474,309,097,016/12,359,769.75
  6. Step 6: Final answer
    x = 28,679,685.48

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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.