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Finding the Third Proportional to 77,727 and 167,345

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Solution

The third proportional to 77,727 and 167,345 is: 360,291.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,727 : 167,345 = 167,345 : x
  2. Step 2: Convert to fraction form
    77,727/167,345 = 167,345/x
  3. Step 3: Cross multiply
    77,727x = 167,345 × 167,345
  4. Step 4: Simplify right side
    77,727x = 28,004,349,025
  5. Step 5: Solve for x
    x = 28,004,349,025/77,727
  6. Step 6: Final answer
    x = 360,291.13

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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.