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Finding the Third Proportional to 131,664 and 283,309

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Solution

The third proportional to 131,664 and 283,309 is: 609,612.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,664 : 283,309 = 283,309 : x
  2. Step 2: Convert to fraction form
    131,664/283,309 = 283,309/x
  3. Step 3: Cross multiply
    131,664x = 283,309 × 283,309
  4. Step 4: Simplify right side
    131,664x = 80,263,989,481
  5. Step 5: Solve for x
    x = 80,263,989,481/131,664
  6. Step 6: Final answer
    x = 609,612.27

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.