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Finding the Third Proportional to 632,814.75 and 980,113.50

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Solution

The third proportional to 632,814.75 and 980,113.50 is: 1,518,015.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,814.75 : 980,113.50 = 980,113.50 : x
  2. Step 2: Convert to fraction form
    632,814.75/980,113.50 = 980,113.50/x
  3. Step 3: Cross multiply
    632,814.75x = 980,113.50 × 980,113.50
  4. Step 4: Simplify right side
    632,814.75x = 960,622,472,882.25
  5. Step 5: Solve for x
    x = 960,622,472,882.25/632,814.75
  6. Step 6: Final answer
    x = 1,518,015.30

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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.