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Finding the Third Proportional to 731,901.75 and 1,142,120.25

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Solution

The third proportional to 731,901.75 and 1,142,120.25 is: 1,782,259.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,901.75 : 1,142,120.25 = 1,142,120.25 : x
  2. Step 2: Convert to fraction form
    731,901.75/1,142,120.25 = 1,142,120.25/x
  3. Step 3: Cross multiply
    731,901.75x = 1,142,120.25 × 1,142,120.25
  4. Step 4: Simplify right side
    731,901.75x = 1,304,438,665,460.06
  5. Step 5: Solve for x
    x = 1,304,438,665,460.06/731,901.75
  6. Step 6: Final answer
    x = 1,782,259.25

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.