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Finding the Third Proportional to 500,656.50 and 774,744

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Solution

The third proportional to 500,656.50 and 774,744 is: 1,198,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,656.50 : 774,744 = 774,744 : x
  2. Step 2: Convert to fraction form
    500,656.50/774,744 = 774,744/x
  3. Step 3: Cross multiply
    500,656.50x = 774,744 × 774,744
  4. Step 4: Simplify right side
    500,656.50x = 600,228,265,536
  5. Step 5: Solve for x
    x = 600,228,265,536/500,656.50
  6. Step 6: Final answer
    x = 1,198,882.40

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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.