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Finding the Third Proportional to 45,040 and 98,728

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Solution

The third proportional to 45,040 and 98,728 is: 216,412.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,040 : 98,728 = 98,728 : x
  2. Step 2: Convert to fraction form
    45,040/98,728 = 98,728/x
  3. Step 3: Cross multiply
    45,040x = 98,728 × 98,728
  4. Step 4: Simplify right side
    45,040x = 9,747,217,984
  5. Step 5: Solve for x
    x = 9,747,217,984/45,040
  6. Step 6: Final answer
    x = 216,412.48

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.