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Finding the Third Proportional to 156,960 and 343,262

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Solution

The third proportional to 156,960 and 343,262 is: 750,693.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,960 : 343,262 = 343,262 : x
  2. Step 2: Convert to fraction form
    156,960/343,262 = 343,262/x
  3. Step 3: Cross multiply
    156,960x = 343,262 × 343,262
  4. Step 4: Simplify right side
    156,960x = 117,828,800,644
  5. Step 5: Solve for x
    x = 117,828,800,644/156,960
  6. Step 6: Final answer
    x = 750,693.17

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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.