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Finding the Third Proportional to 130,867 and 282,469

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Solution

The third proportional to 130,867 and 282,469 is: 609,693.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,867 : 282,469 = 282,469 : x
  2. Step 2: Convert to fraction form
    130,867/282,469 = 282,469/x
  3. Step 3: Cross multiply
    130,867x = 282,469 × 282,469
  4. Step 4: Simplify right side
    130,867x = 79,788,735,961
  5. Step 5: Solve for x
    x = 79,788,735,961/130,867
  6. Step 6: Final answer
    x = 609,693.32

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.