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Finding the Third Proportional to 717,914.25 and 1,111,489.88

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Solution

The third proportional to 717,914.25 and 1,111,489.88 is: 1,720,831.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,914.25 : 1,111,489.88 = 1,111,489.88 : x
  2. Step 2: Convert to fraction form
    717,914.25/1,111,489.88 = 1,111,489.88/x
  3. Step 3: Cross multiply
    717,914.25x = 1,111,489.88 × 1,111,489.88
  4. Step 4: Simplify right side
    717,914.25x = 1,235,409,742,227.52
  5. Step 5: Solve for x
    x = 1,235,409,742,227.52/717,914.25
  6. Step 6: Final answer
    x = 1,720,831.90

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.