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Finding the Third Proportional to 388,033.13 and 579,659.81

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Solution

The third proportional to 388,033.13 and 579,659.81 is: 865,919.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,033.13 : 579,659.81 = 579,659.81 : x
  2. Step 2: Convert to fraction form
    388,033.13/579,659.81 = 579,659.81/x
  3. Step 3: Cross multiply
    388,033.13x = 579,659.81 × 579,659.81
  4. Step 4: Simplify right side
    388,033.13x = 336,005,498,227.54
  5. Step 5: Solve for x
    x = 336,005,498,227.54/388,033.13
  6. Step 6: Final answer
    x = 865,919.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.