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Finding the Third Proportional to 110,412 and 166,428

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Solution

The third proportional to 110,412 and 166,428 is: 250,862.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,412 : 166,428 = 166,428 : x
  2. Step 2: Convert to fraction form
    110,412/166,428 = 166,428/x
  3. Step 3: Cross multiply
    110,412x = 166,428 × 166,428
  4. Step 4: Simplify right side
    110,412x = 27,698,279,184
  5. Step 5: Solve for x
    x = 27,698,279,184/110,412
  6. Step 6: Final answer
    x = 250,862.94

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.