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Finding the Third Proportional to 1,199,381.34 and 1,715,129.30

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Solution

The third proportional to 1,199,381.34 and 1,715,129.30 is: 2,452,654.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,381.34 : 1,715,129.30 = 1,715,129.30 : x
  2. Step 2: Convert to fraction form
    1,199,381.34/1,715,129.30 = 1,715,129.30/x
  3. Step 3: Cross multiply
    1,199,381.34x = 1,715,129.30 × 1,715,129.30
  4. Step 4: Simplify right side
    1,199,381.34x = 2,941,668,504,998.93
  5. Step 5: Solve for x
    x = 2,941,668,504,998.93/1,199,381.34
  6. Step 6: Final answer
    x = 2,452,654.88

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.