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Finding the Third Proportional to 155,222 and 332,586

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Solution

The third proportional to 155,222 and 332,586 is: 712,614.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,222 : 332,586 = 332,586 : x
  2. Step 2: Convert to fraction form
    155,222/332,586 = 332,586/x
  3. Step 3: Cross multiply
    155,222x = 332,586 × 332,586
  4. Step 4: Simplify right side
    155,222x = 110,613,447,396
  5. Step 5: Solve for x
    x = 110,613,447,396/155,222
  6. Step 6: Final answer
    x = 712,614.50

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.