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Finding the Third Proportional to 178,232 and 242,120

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Solution

The third proportional to 178,232 and 242,120 is: 328,908.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,232 : 242,120 = 242,120 : x
  2. Step 2: Convert to fraction form
    178,232/242,120 = 242,120/x
  3. Step 3: Cross multiply
    178,232x = 242,120 × 242,120
  4. Step 4: Simplify right side
    178,232x = 58,622,094,400
  5. Step 5: Solve for x
    x = 58,622,094,400/178,232
  6. Step 6: Final answer
    x = 328,908.92

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.