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Finding the Third Proportional to 641,130.75 and 996,667.88

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Solution

The third proportional to 641,130.75 and 996,667.88 is: 1,549,367.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,130.75 : 996,667.88 = 996,667.88 : x
  2. Step 2: Convert to fraction form
    641,130.75/996,667.88 = 996,667.88/x
  3. Step 3: Cross multiply
    641,130.75x = 996,667.88 × 996,667.88
  4. Step 4: Simplify right side
    641,130.75x = 993,346,853,057.02
  5. Step 5: Solve for x
    x = 993,346,853,057.02/641,130.75
  6. Step 6: Final answer
    x = 1,549,367.04

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.