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Finding the Third Proportional to 782,068 and 1,713,612

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Solution

The third proportional to 782,068 and 1,713,612 is: 3,754,745.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,068 : 1,713,612 = 1,713,612 : x
  2. Step 2: Convert to fraction form
    782,068/1,713,612 = 1,713,612/x
  3. Step 3: Cross multiply
    782,068x = 1,713,612 × 1,713,612
  4. Step 4: Simplify right side
    782,068x = 2,936,466,086,544
  5. Step 5: Solve for x
    x = 2,936,466,086,544/782,068
  6. Step 6: Final answer
    x = 3,754,745.22

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.