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Finding the Third Proportional to 765,115.31 and 1,675,666.13

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Solution

The third proportional to 765,115.31 and 1,675,666.13 is: 3,669,848.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,115.31 : 1,675,666.13 = 1,675,666.13 : x
  2. Step 2: Convert to fraction form
    765,115.31/1,675,666.13 = 1,675,666.13/x
  3. Step 3: Cross multiply
    765,115.31x = 1,675,666.13 × 1,675,666.13
  4. Step 4: Simplify right side
    765,115.31x = 2,807,856,962,472.52
  5. Step 5: Solve for x
    x = 2,807,856,962,472.52/765,115.31
  6. Step 6: Final answer
    x = 3,669,848.08

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.