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Finding the Third Proportional to 717,892 and 1,126,320

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Solution

The third proportional to 717,892 and 1,126,320 is: 1,767,113.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,892 : 1,126,320 = 1,126,320 : x
  2. Step 2: Convert to fraction form
    717,892/1,126,320 = 1,126,320/x
  3. Step 3: Cross multiply
    717,892x = 1,126,320 × 1,126,320
  4. Step 4: Simplify right side
    717,892x = 1,268,596,742,400
  5. Step 5: Solve for x
    x = 1,268,596,742,400/717,892
  6. Step 6: Final answer
    x = 1,767,113.64

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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.