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Finding the Third Proportional to 114,915 and 178,350

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Solution

The third proportional to 114,915 and 178,350 is: 276,802.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,915 : 178,350 = 178,350 : x
  2. Step 2: Convert to fraction form
    114,915/178,350 = 178,350/x
  3. Step 3: Cross multiply
    114,915x = 178,350 × 178,350
  4. Step 4: Simplify right side
    114,915x = 31,808,722,500
  5. Step 5: Solve for x
    x = 31,808,722,500/114,915
  6. Step 6: Final answer
    x = 276,802.18

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.