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Finding the Third Proportional to 388,034.44 and 579,661.88

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Solution

The third proportional to 388,034.44 and 579,661.88 is: 865,922.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,034.44 : 579,661.88 = 579,661.88 : x
  2. Step 2: Convert to fraction form
    388,034.44/579,661.88 = 579,661.88/x
  3. Step 3: Cross multiply
    388,034.44x = 579,661.88 × 579,661.88
  4. Step 4: Simplify right side
    388,034.44x = 336,007,889,328.52
  5. Step 5: Solve for x
    x = 336,007,889,328.52/388,034.44
  6. Step 6: Final answer
    x = 865,922.86

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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.