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Finding the Third Proportional to 159,718 and 239,557

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Solution

The third proportional to 159,718 and 239,557 is: 359,305.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,718 : 239,557 = 239,557 : x
  2. Step 2: Convert to fraction form
    159,718/239,557 = 239,557/x
  3. Step 3: Cross multiply
    159,718x = 239,557 × 239,557
  4. Step 4: Simplify right side
    159,718x = 57,387,556,249
  5. Step 5: Solve for x
    x = 57,387,556,249/159,718
  6. Step 6: Final answer
    x = 359,305.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.