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Finding the Third Proportional to 266,195 and 402,065

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Solution

The third proportional to 266,195 and 402,065 is: 607,285.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,195 : 402,065 = 402,065 : x
  2. Step 2: Convert to fraction form
    266,195/402,065 = 402,065/x
  3. Step 3: Cross multiply
    266,195x = 402,065 × 402,065
  4. Step 4: Simplify right side
    266,195x = 161,656,264,225
  5. Step 5: Solve for x
    x = 161,656,264,225/266,195
  6. Step 6: Final answer
    x = 607,285.13

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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.