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Finding the Third Proportional to 73,187 and 157,470

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Solution

The third proportional to 73,187 and 157,470 is: 338,814.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,187 : 157,470 = 157,470 : x
  2. Step 2: Convert to fraction form
    73,187/157,470 = 157,470/x
  3. Step 3: Cross multiply
    73,187x = 157,470 × 157,470
  4. Step 4: Simplify right side
    73,187x = 24,796,800,900
  5. Step 5: Solve for x
    x = 24,796,800,900/73,187
  6. Step 6: Final answer
    x = 338,814.28

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.