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Finding the Third Proportional to 423,862.50 and 635,800.50

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Solution

The third proportional to 423,862.50 and 635,800.50 is: 953,710.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,862.50 : 635,800.50 = 635,800.50 : x
  2. Step 2: Convert to fraction form
    423,862.50/635,800.50 = 635,800.50/x
  3. Step 3: Cross multiply
    423,862.50x = 635,800.50 × 635,800.50
  4. Step 4: Simplify right side
    423,862.50x = 404,242,275,800.25
  5. Step 5: Solve for x
    x = 404,242,275,800.25/423,862.50
  6. Step 6: Final answer
    x = 953,710.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.