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Finding the Third Proportional to 160,896 and 218,515

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Solution

The third proportional to 160,896 and 218,515 is: 296,768.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,896 : 218,515 = 218,515 : x
  2. Step 2: Convert to fraction form
    160,896/218,515 = 218,515/x
  3. Step 3: Cross multiply
    160,896x = 218,515 × 218,515
  4. Step 4: Simplify right side
    160,896x = 47,748,805,225
  5. Step 5: Solve for x
    x = 47,748,805,225/160,896
  6. Step 6: Final answer
    x = 296,768.13

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.