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Finding the Third Proportional to 555,438.94 and 744,584.91

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Solution

The third proportional to 555,438.94 and 744,584.91 is: 998,141.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,438.94 : 744,584.91 = 744,584.91 : x
  2. Step 2: Convert to fraction form
    555,438.94/744,584.91 = 744,584.91/x
  3. Step 3: Cross multiply
    555,438.94x = 744,584.91 × 744,584.91
  4. Step 4: Simplify right side
    555,438.94x = 554,406,682,615.32
  5. Step 5: Solve for x
    x = 554,406,682,615.32/555,438.94
  6. Step 6: Final answer
    x = 998,141.55

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.