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Finding the Third Proportional to 391,358.25 and 849,638.25

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Solution

The third proportional to 391,358.25 and 849,638.25 is: 1,844,563.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,358.25 : 849,638.25 = 849,638.25 : x
  2. Step 2: Convert to fraction form
    391,358.25/849,638.25 = 849,638.25/x
  3. Step 3: Cross multiply
    391,358.25x = 849,638.25 × 849,638.25
  4. Step 4: Simplify right side
    391,358.25x = 721,885,155,863.06
  5. Step 5: Solve for x
    x = 721,885,155,863.06/391,358.25
  6. Step 6: Final answer
    x = 1,844,563.53

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.