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Finding the Third Proportional to 425,724.50 and 654,563.50

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Solution

The third proportional to 425,724.50 and 654,563.50 is: 1,006,409.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,724.50 : 654,563.50 = 654,563.50 : x
  2. Step 2: Convert to fraction form
    425,724.50/654,563.50 = 654,563.50/x
  3. Step 3: Cross multiply
    425,724.50x = 654,563.50 × 654,563.50
  4. Step 4: Simplify right side
    425,724.50x = 428,453,375,532.25
  5. Step 5: Solve for x
    x = 428,453,375,532.25/425,724.50
  6. Step 6: Final answer
    x = 1,006,409.96

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.