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Finding the Third Proportional to 532,087.50 and 782,572.50

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Solution

The third proportional to 532,087.50 and 782,572.50 is: 1,150,975.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,087.50 : 782,572.50 = 782,572.50 : x
  2. Step 2: Convert to fraction form
    532,087.50/782,572.50 = 782,572.50/x
  3. Step 3: Cross multiply
    532,087.50x = 782,572.50 × 782,572.50
  4. Step 4: Simplify right side
    532,087.50x = 612,419,717,756.25
  5. Step 5: Solve for x
    x = 612,419,717,756.25/532,087.50
  6. Step 6: Final answer
    x = 1,150,975.58

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.