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Finding the Third Proportional to 74,473 and 159,606

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Solution

The third proportional to 74,473 and 159,606 is: 342,057.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,473 : 159,606 = 159,606 : x
  2. Step 2: Convert to fraction form
    74,473/159,606 = 159,606/x
  3. Step 3: Cross multiply
    74,473x = 159,606 × 159,606
  4. Step 4: Simplify right side
    74,473x = 25,474,075,236
  5. Step 5: Solve for x
    x = 25,474,075,236/74,473
  6. Step 6: Final answer
    x = 342,057.86

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.