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Finding the Third Proportional to 98,487 and 161,805

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Solution

The third proportional to 98,487 and 161,805 is: 265,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,487 : 161,805 = 161,805 : x
  2. Step 2: Convert to fraction form
    98,487/161,805 = 161,805/x
  3. Step 3: Cross multiply
    98,487x = 161,805 × 161,805
  4. Step 4: Simplify right side
    98,487x = 26,180,858,025
  5. Step 5: Solve for x
    x = 26,180,858,025/98,487
  6. Step 6: Final answer
    x = 265,830.60

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.