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Finding the Third Proportional to 169,146 and 371,772

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Solution

The third proportional to 169,146 and 371,772 is: 817,130.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,146 : 371,772 = 371,772 : x
  2. Step 2: Convert to fraction form
    169,146/371,772 = 371,772/x
  3. Step 3: Cross multiply
    169,146x = 371,772 × 371,772
  4. Step 4: Simplify right side
    169,146x = 138,214,419,984
  5. Step 5: Solve for x
    x = 138,214,419,984/169,146
  6. Step 6: Final answer
    x = 817,130.88

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.