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Finding the Third Proportional to 618,229.13 and 1,329,679.13

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Solution

The third proportional to 618,229.13 and 1,329,679.13 is: 2,859,856.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,229.13 : 1,329,679.13 = 1,329,679.13 : x
  2. Step 2: Convert to fraction form
    618,229.13/1,329,679.13 = 1,329,679.13/x
  3. Step 3: Cross multiply
    618,229.13x = 1,329,679.13 × 1,329,679.13
  4. Step 4: Simplify right side
    618,229.13x = 1,768,046,575,460.77
  5. Step 5: Solve for x
    x = 1,768,046,575,460.77/618,229.13
  6. Step 6: Final answer
    x = 2,859,856.49

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.