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Finding the Third Proportional to 591,486 and 1,282,620

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Solution

The third proportional to 591,486 and 1,282,620 is: 2,781,323.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,486 : 1,282,620 = 1,282,620 : x
  2. Step 2: Convert to fraction form
    591,486/1,282,620 = 1,282,620/x
  3. Step 3: Cross multiply
    591,486x = 1,282,620 × 1,282,620
  4. Step 4: Simplify right side
    591,486x = 1,645,114,064,400
  5. Step 5: Solve for x
    x = 1,645,114,064,400/591,486
  6. Step 6: Final answer
    x = 2,781,323.76

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.