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Finding the Third Proportional to 77,851.13 and 170,434.13

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Solution

The third proportional to 77,851.13 and 170,434.13 is: 373,119.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,851.13 : 170,434.13 = 170,434.13 : x
  2. Step 2: Convert to fraction form
    77,851.13/170,434.13 = 170,434.13/x
  3. Step 3: Cross multiply
    77,851.13x = 170,434.13 × 170,434.13
  4. Step 4: Simplify right side
    77,851.13x = 29,047,790,964.52
  5. Step 5: Solve for x
    x = 29,047,790,964.52/77,851.13
  6. Step 6: Final answer
    x = 373,119.73

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.