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Finding the Third Proportional to 73,260 and 156,888

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Solution

The third proportional to 73,260 and 156,888 is: 335,979.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,260 : 156,888 = 156,888 : x
  2. Step 2: Convert to fraction form
    73,260/156,888 = 156,888/x
  3. Step 3: Cross multiply
    73,260x = 156,888 × 156,888
  4. Step 4: Simplify right side
    73,260x = 24,613,844,544
  5. Step 5: Solve for x
    x = 24,613,844,544/73,260
  6. Step 6: Final answer
    x = 335,979.31

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.