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Finding the Third Proportional to 74,527 and 159,718

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Solution

The third proportional to 74,527 and 159,718 is: 342,289.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,527 : 159,718 = 159,718 : x
  2. Step 2: Convert to fraction form
    74,527/159,718 = 159,718/x
  3. Step 3: Cross multiply
    74,527x = 159,718 × 159,718
  4. Step 4: Simplify right side
    74,527x = 25,509,839,524
  5. Step 5: Solve for x
    x = 25,509,839,524/74,527
  6. Step 6: Final answer
    x = 342,289.90

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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.