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Finding the Third Proportional to 76,437 and 156,273

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Solution

The third proportional to 76,437 and 156,273 is: 319,495.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,437 : 156,273 = 156,273 : x
  2. Step 2: Convert to fraction form
    76,437/156,273 = 156,273/x
  3. Step 3: Cross multiply
    76,437x = 156,273 × 156,273
  4. Step 4: Simplify right side
    76,437x = 24,421,250,529
  5. Step 5: Solve for x
    x = 24,421,250,529/76,437
  6. Step 6: Final answer
    x = 319,495.15

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.