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Finding the Third Proportional to 715,292 and 1,489,336

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Solution

The third proportional to 715,292 and 1,489,336 is: 3,101,001.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,292 : 1,489,336 = 1,489,336 : x
  2. Step 2: Convert to fraction form
    715,292/1,489,336 = 1,489,336/x
  3. Step 3: Cross multiply
    715,292x = 1,489,336 × 1,489,336
  4. Step 4: Simplify right side
    715,292x = 2,218,121,720,896
  5. Step 5: Solve for x
    x = 2,218,121,720,896/715,292
  6. Step 6: Final answer
    x = 3,101,001.72

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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.