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Finding the Third Proportional to 359,535 and 782,466

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Solution

The third proportional to 359,535 and 782,466 is: 1,702,902.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,535 : 782,466 = 782,466 : x
  2. Step 2: Convert to fraction form
    359,535/782,466 = 782,466/x
  3. Step 3: Cross multiply
    359,535x = 782,466 × 782,466
  4. Step 4: Simplify right side
    359,535x = 612,253,041,156
  5. Step 5: Solve for x
    x = 612,253,041,156/359,535
  6. Step 6: Final answer
    x = 1,702,902.47

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.