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Finding the Third Proportional to 33,264 and 51,440

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Solution

The third proportional to 33,264 and 51,440 is: 79,547.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,264 : 51,440 = 51,440 : x
  2. Step 2: Convert to fraction form
    33,264/51,440 = 51,440/x
  3. Step 3: Cross multiply
    33,264x = 51,440 × 51,440
  4. Step 4: Simplify right side
    33,264x = 2,646,073,600
  5. Step 5: Solve for x
    x = 2,646,073,600/33,264
  6. Step 6: Final answer
    x = 79,547.67

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.