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Finding the Third Proportional to 72,951 and 157,062

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Solution

The third proportional to 72,951 and 157,062 is: 338,151.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,951 : 157,062 = 157,062 : x
  2. Step 2: Convert to fraction form
    72,951/157,062 = 157,062/x
  3. Step 3: Cross multiply
    72,951x = 157,062 × 157,062
  4. Step 4: Simplify right side
    72,951x = 24,668,471,844
  5. Step 5: Solve for x
    x = 24,668,471,844/72,951
  6. Step 6: Final answer
    x = 338,151.25

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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.