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Finding the Third Proportional to 427,690.13 and 597,939.47

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Solution

The third proportional to 427,690.13 and 597,939.47 is: 835,959.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,690.13 : 597,939.47 = 597,939.47 : x
  2. Step 2: Convert to fraction form
    427,690.13/597,939.47 = 597,939.47/x
  3. Step 3: Cross multiply
    427,690.13x = 597,939.47 × 597,939.47
  4. Step 4: Simplify right side
    427,690.13x = 357,531,608,289.03
  5. Step 5: Solve for x
    x = 357,531,608,289.03/427,690.13
  6. Step 6: Final answer
    x = 835,959.47

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.