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Finding the Third Proportional to 621,244.69 and 726,118.17

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Solution

The third proportional to 621,244.69 and 726,118.17 is: 848,695.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,244.69 : 726,118.17 = 726,118.17 : x
  2. Step 2: Convert to fraction form
    621,244.69/726,118.17 = 726,118.17/x
  3. Step 3: Cross multiply
    621,244.69x = 726,118.17 × 726,118.17
  4. Step 4: Simplify right side
    621,244.69x = 527,247,599,527.09
  5. Step 5: Solve for x
    x = 527,247,599,527.09/621,244.69
  6. Step 6: Final answer
    x = 848,695.55

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Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.