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Finding the Third Proportional to 72,481 and 157,026

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Solution

The third proportional to 72,481 and 157,026 is: 340,187.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,481 : 157,026 = 157,026 : x
  2. Step 2: Convert to fraction form
    72,481/157,026 = 157,026/x
  3. Step 3: Cross multiply
    72,481x = 157,026 × 157,026
  4. Step 4: Simplify right side
    72,481x = 24,657,164,676
  5. Step 5: Solve for x
    x = 24,657,164,676/72,481
  6. Step 6: Final answer
    x = 340,187.98

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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.