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Finding the Third Proportional to 876,655.13 and 1,311,454.69

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Solution

The third proportional to 876,655.13 and 1,311,454.69 is: 1,961,904.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,655.13 : 1,311,454.69 = 1,311,454.69 : x
  2. Step 2: Convert to fraction form
    876,655.13/1,311,454.69 = 1,311,454.69/x
  3. Step 3: Cross multiply
    876,655.13x = 1,311,454.69 × 1,311,454.69
  4. Step 4: Simplify right side
    876,655.13x = 1,719,913,397,365.72
  5. Step 5: Solve for x
    x = 1,719,913,397,365.72/876,655.13
  6. Step 6: Final answer
    x = 1,961,904.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.