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Finding the Third Proportional to 107,922 and 160,776

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Solution

The third proportional to 107,922 and 160,776 is: 239,514.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,922 : 160,776 = 160,776 : x
  2. Step 2: Convert to fraction form
    107,922/160,776 = 160,776/x
  3. Step 3: Cross multiply
    107,922x = 160,776 × 160,776
  4. Step 4: Simplify right side
    107,922x = 25,848,922,176
  5. Step 5: Solve for x
    x = 25,848,922,176/107,922
  6. Step 6: Final answer
    x = 239,514.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.