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Finding the Third Proportional to 107,226 and 157,719

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Solution

The third proportional to 107,226 and 157,719 is: 231,989.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,226 : 157,719 = 157,719 : x
  2. Step 2: Convert to fraction form
    107,226/157,719 = 157,719/x
  3. Step 3: Cross multiply
    107,226x = 157,719 × 157,719
  4. Step 4: Simplify right side
    107,226x = 24,875,282,961
  5. Step 5: Solve for x
    x = 24,875,282,961/107,226
  6. Step 6: Final answer
    x = 231,989.28

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.