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Finding the Third Proportional to 76,570 and 162,232

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Solution

The third proportional to 76,570 and 162,232 is: 343,727.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,570 : 162,232 = 162,232 : x
  2. Step 2: Convert to fraction form
    76,570/162,232 = 162,232/x
  3. Step 3: Cross multiply
    76,570x = 162,232 × 162,232
  4. Step 4: Simplify right side
    76,570x = 26,319,221,824
  5. Step 5: Solve for x
    x = 26,319,221,824/76,570
  6. Step 6: Final answer
    x = 343,727.59

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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.