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Finding the Third Proportional to 440,818.88 and 659,519.72

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Solution

The third proportional to 440,818.88 and 659,519.72 is: 986,723.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,818.88 : 659,519.72 = 659,519.72 : x
  2. Step 2: Convert to fraction form
    440,818.88/659,519.72 = 659,519.72/x
  3. Step 3: Cross multiply
    440,818.88x = 659,519.72 × 659,519.72
  4. Step 4: Simplify right side
    440,818.88x = 434,966,259,420.08
  5. Step 5: Solve for x
    x = 434,966,259,420.08/440,818.88
  6. Step 6: Final answer
    x = 986,723.31

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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.