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Finding the Third Proportional to 715,332 and 1,489,432

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Solution

The third proportional to 715,332 and 1,489,432 is: 3,101,228.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,332 : 1,489,432 = 1,489,432 : x
  2. Step 2: Convert to fraction form
    715,332/1,489,432 = 1,489,432/x
  3. Step 3: Cross multiply
    715,332x = 1,489,432 × 1,489,432
  4. Step 4: Simplify right side
    715,332x = 2,218,407,682,624
  5. Step 5: Solve for x
    x = 2,218,407,682,624/715,332
  6. Step 6: Final answer
    x = 3,101,228.08

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.