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Finding the Third Proportional to 161,482 and 347,642

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Solution

The third proportional to 161,482 and 347,642 is: 748,411.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,482 : 347,642 = 347,642 : x
  2. Step 2: Convert to fraction form
    161,482/347,642 = 347,642/x
  3. Step 3: Cross multiply
    161,482x = 347,642 × 347,642
  4. Step 4: Simplify right side
    161,482x = 120,854,960,164
  5. Step 5: Solve for x
    x = 120,854,960,164/161,482
  6. Step 6: Final answer
    x = 748,411.34

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.