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Finding the Third Proportional to 115,404 and 252,168

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Solution

The third proportional to 115,404 and 252,168 is: 551,009.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,404 : 252,168 = 252,168 : x
  2. Step 2: Convert to fraction form
    115,404/252,168 = 252,168/x
  3. Step 3: Cross multiply
    115,404x = 252,168 × 252,168
  4. Step 4: Simplify right side
    115,404x = 63,588,700,224
  5. Step 5: Solve for x
    x = 63,588,700,224/115,404
  6. Step 6: Final answer
    x = 551,009.50

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.