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Finding the Third Proportional to 77,332 and 162,962

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Solution

The third proportional to 77,332 and 162,962 is: 343,410.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,332 : 162,962 = 162,962 : x
  2. Step 2: Convert to fraction form
    77,332/162,962 = 162,962/x
  3. Step 3: Cross multiply
    77,332x = 162,962 × 162,962
  4. Step 4: Simplify right side
    77,332x = 26,556,613,444
  5. Step 5: Solve for x
    x = 26,556,613,444/77,332
  6. Step 6: Final answer
    x = 343,410.41

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.