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Finding the Third Proportional to 82,305 and 179,487

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Solution

The third proportional to 82,305 and 179,487 is: 391,417.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,305 : 179,487 = 179,487 : x
  2. Step 2: Convert to fraction form
    82,305/179,487 = 179,487/x
  3. Step 3: Cross multiply
    82,305x = 179,487 × 179,487
  4. Step 4: Simplify right side
    82,305x = 32,215,583,169
  5. Step 5: Solve for x
    x = 32,215,583,169/82,305
  6. Step 6: Final answer
    x = 391,417.08

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.