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Finding the Third Proportional to 626,142.38 and 1,340,827.88

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Solution

The third proportional to 626,142.38 and 1,340,827.88 is: 2,871,262.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,142.38 : 1,340,827.88 = 1,340,827.88 : x
  2. Step 2: Convert to fraction form
    626,142.38/1,340,827.88 = 1,340,827.88/x
  3. Step 3: Cross multiply
    626,142.38x = 1,340,827.88 × 1,340,827.88
  4. Step 4: Simplify right side
    626,142.38x = 1,797,819,390,377.02
  5. Step 5: Solve for x
    x = 1,797,819,390,377.02/626,142.38
  6. Step 6: Final answer
    x = 2,871,262.93

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.