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Finding the Third Proportional to 551,191.50 and 866,155.50

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Solution

The third proportional to 551,191.50 and 866,155.50 is: 1,361,097.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,191.50 : 866,155.50 = 866,155.50 : x
  2. Step 2: Convert to fraction form
    551,191.50/866,155.50 = 866,155.50/x
  3. Step 3: Cross multiply
    551,191.50x = 866,155.50 × 866,155.50
  4. Step 4: Simplify right side
    551,191.50x = 750,225,350,180.25
  5. Step 5: Solve for x
    x = 750,225,350,180.25/551,191.50
  6. Step 6: Final answer
    x = 1,361,097.46

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.