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Finding the Third Proportional to 72,447 and 156,952

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Solution

The third proportional to 72,447 and 156,952 is: 340,026.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,447 : 156,952 = 156,952 : x
  2. Step 2: Convert to fraction form
    72,447/156,952 = 156,952/x
  3. Step 3: Cross multiply
    72,447x = 156,952 × 156,952
  4. Step 4: Simplify right side
    72,447x = 24,633,930,304
  5. Step 5: Solve for x
    x = 24,633,930,304/72,447
  6. Step 6: Final answer
    x = 340,026.92

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.