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Finding the Third Proportional to 70,387 and 153,166

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Solution

The third proportional to 70,387 and 153,166 is: 333,297.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,387 : 153,166 = 153,166 : x
  2. Step 2: Convert to fraction form
    70,387/153,166 = 153,166/x
  3. Step 3: Cross multiply
    70,387x = 153,166 × 153,166
  4. Step 4: Simplify right side
    70,387x = 23,459,823,556
  5. Step 5: Solve for x
    x = 23,459,823,556/70,387
  6. Step 6: Final answer
    x = 333,297.68

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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.