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Finding the Third Proportional to 76,552 and 162,370

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Solution

The third proportional to 76,552 and 162,370 is: 344,393.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,552 : 162,370 = 162,370 : x
  2. Step 2: Convert to fraction form
    76,552/162,370 = 162,370/x
  3. Step 3: Cross multiply
    76,552x = 162,370 × 162,370
  4. Step 4: Simplify right side
    76,552x = 26,364,016,900
  5. Step 5: Solve for x
    x = 26,364,016,900/76,552
  6. Step 6: Final answer
    x = 344,393.57

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.