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Finding the Third Proportional to 532,108 and 782,600

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Solution

The third proportional to 532,108 and 782,600 is: 1,151,012.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,108 : 782,600 = 782,600 : x
  2. Step 2: Convert to fraction form
    532,108/782,600 = 782,600/x
  3. Step 3: Cross multiply
    532,108x = 782,600 × 782,600
  4. Step 4: Simplify right side
    532,108x = 612,462,760,000
  5. Step 5: Solve for x
    x = 612,462,760,000/532,108
  6. Step 6: Final answer
    x = 1,151,012.13

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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.