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Finding the Third Proportional to 868,770.56 and 1,314,378.56

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Solution

The third proportional to 868,770.56 and 1,314,378.56 is: 1,988,546.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,770.56 : 1,314,378.56 = 1,314,378.56 : x
  2. Step 2: Convert to fraction form
    868,770.56/1,314,378.56 = 1,314,378.56/x
  3. Step 3: Cross multiply
    868,770.56x = 1,314,378.56 × 1,314,378.56
  4. Step 4: Simplify right side
    868,770.56x = 1,727,591,005,559.57
  5. Step 5: Solve for x
    x = 1,727,591,005,559.57/868,770.56
  6. Step 6: Final answer
    x = 1,988,546.90

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.