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Finding the Third Proportional to 1,248,570.38 and 2,686,635

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Solution

The third proportional to 1,248,570.38 and 2,686,635 is: 5,781,017.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,570.38 : 2,686,635 = 2,686,635 : x
  2. Step 2: Convert to fraction form
    1,248,570.38/2,686,635 = 2,686,635/x
  3. Step 3: Cross multiply
    1,248,570.38x = 2,686,635 × 2,686,635
  4. Step 4: Simplify right side
    1,248,570.38x = 7,218,007,623,225
  5. Step 5: Solve for x
    x = 7,218,007,623,225/1,248,570.38
  6. Step 6: Final answer
    x = 5,781,017.85

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.