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Finding the Third Proportional to 266,195.50 and 402,065.75

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Solution

The third proportional to 266,195.50 and 402,065.75 is: 607,286.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,195.50 : 402,065.75 = 402,065.75 : x
  2. Step 2: Convert to fraction form
    266,195.50/402,065.75 = 402,065.75/x
  3. Step 3: Cross multiply
    266,195.50x = 402,065.75 × 402,065.75
  4. Step 4: Simplify right side
    266,195.50x = 161,656,867,323.06
  5. Step 5: Solve for x
    x = 161,656,867,323.06/266,195.50
  6. Step 6: Final answer
    x = 607,286.25

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.