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Finding the Third Proportional to 657,390.94 and 986,086.41

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Solution

The third proportional to 657,390.94 and 986,086.41 is: 1,479,129.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,390.94 : 986,086.41 = 986,086.41 : x
  2. Step 2: Convert to fraction form
    657,390.94/986,086.41 = 986,086.41/x
  3. Step 3: Cross multiply
    657,390.94x = 986,086.41 × 986,086.41
  4. Step 4: Simplify right side
    657,390.94x = 972,366,400,591.04
  5. Step 5: Solve for x
    x = 972,366,400,591.04/657,390.94
  6. Step 6: Final answer
    x = 1,479,129.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.