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Finding the Third Proportional to 74,471 and 162,047

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Solution

The third proportional to 74,471 and 162,047 is: 352,610.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,471 : 162,047 = 162,047 : x
  2. Step 2: Convert to fraction form
    74,471/162,047 = 162,047/x
  3. Step 3: Cross multiply
    74,471x = 162,047 × 162,047
  4. Step 4: Simplify right side
    74,471x = 26,259,230,209
  5. Step 5: Solve for x
    x = 26,259,230,209/74,471
  6. Step 6: Final answer
    x = 352,610.15

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.