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Finding the Third Proportional to 162,240 and 348,624

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Solution

The third proportional to 162,240 and 348,624 is: 749,129.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,240 : 348,624 = 348,624 : x
  2. Step 2: Convert to fraction form
    162,240/348,624 = 348,624/x
  3. Step 3: Cross multiply
    162,240x = 348,624 × 348,624
  4. Step 4: Simplify right side
    162,240x = 121,538,693,376
  5. Step 5: Solve for x
    x = 121,538,693,376/162,240
  6. Step 6: Final answer
    x = 749,129.03

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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.