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Finding the Third Proportional to 717,976 and 1,126,392

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Solution

The third proportional to 717,976 and 1,126,392 is: 1,767,132.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,976 : 1,126,392 = 1,126,392 : x
  2. Step 2: Convert to fraction form
    717,976/1,126,392 = 1,126,392/x
  3. Step 3: Cross multiply
    717,976x = 1,126,392 × 1,126,392
  4. Step 4: Simplify right side
    717,976x = 1,268,758,937,664
  5. Step 5: Solve for x
    x = 1,268,758,937,664/717,976
  6. Step 6: Final answer
    x = 1,767,132.80

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.