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Finding the Third Proportional to 156,612 and 223,254

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Solution

The third proportional to 156,612 and 223,254 is: 318,253.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,612 : 223,254 = 223,254 : x
  2. Step 2: Convert to fraction form
    156,612/223,254 = 223,254/x
  3. Step 3: Cross multiply
    156,612x = 223,254 × 223,254
  4. Step 4: Simplify right side
    156,612x = 49,842,348,516
  5. Step 5: Solve for x
    x = 49,842,348,516/156,612
  6. Step 6: Final answer
    x = 318,253.70

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.