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Finding the Third Proportional to 720,943.03 and 1,120,780.55

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Solution

The third proportional to 720,943.03 and 1,120,780.55 is: 1,742,369.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,943.03 : 1,120,780.55 = 1,120,780.55 : x
  2. Step 2: Convert to fraction form
    720,943.03/1,120,780.55 = 1,120,780.55/x
  3. Step 3: Cross multiply
    720,943.03x = 1,120,780.55 × 1,120,780.55
  4. Step 4: Simplify right side
    720,943.03x = 1,256,149,034,253.42
  5. Step 5: Solve for x
    x = 1,256,149,034,253.42/720,943.03
  6. Step 6: Final answer
    x = 1,742,369.34

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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.