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Finding the Third Proportional to 72,548 and 159,352

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Solution

The third proportional to 72,548 and 159,352 is: 350,017.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,548 : 159,352 = 159,352 : x
  2. Step 2: Convert to fraction form
    72,548/159,352 = 159,352/x
  3. Step 3: Cross multiply
    72,548x = 159,352 × 159,352
  4. Step 4: Simplify right side
    72,548x = 25,393,059,904
  5. Step 5: Solve for x
    x = 25,393,059,904/72,548
  6. Step 6: Final answer
    x = 350,017.37

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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.