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Finding the Third Proportional to 69,030 and 161,298

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Solution

The third proportional to 69,030 and 161,298 is: 376,894.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,030 : 161,298 = 161,298 : x
  2. Step 2: Convert to fraction form
    69,030/161,298 = 161,298/x
  3. Step 3: Cross multiply
    69,030x = 161,298 × 161,298
  4. Step 4: Simplify right side
    69,030x = 26,017,044,804
  5. Step 5: Solve for x
    x = 26,017,044,804/69,030
  6. Step 6: Final answer
    x = 376,894.75

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.