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Finding the Third Proportional to 155,722 and 240,588

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Solution

The third proportional to 155,722 and 240,588 is: 371,704.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,722 : 240,588 = 240,588 : x
  2. Step 2: Convert to fraction form
    155,722/240,588 = 240,588/x
  3. Step 3: Cross multiply
    155,722x = 240,588 × 240,588
  4. Step 4: Simplify right side
    155,722x = 57,882,585,744
  5. Step 5: Solve for x
    x = 57,882,585,744/155,722
  6. Step 6: Final answer
    x = 371,704.61

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.