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Finding the Third Proportional to 44,516 and 69,328

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Solution

The third proportional to 44,516 and 69,328 is: 107,969.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,516 : 69,328 = 69,328 : x
  2. Step 2: Convert to fraction form
    44,516/69,328 = 69,328/x
  3. Step 3: Cross multiply
    44,516x = 69,328 × 69,328
  4. Step 4: Simplify right side
    44,516x = 4,806,371,584
  5. Step 5: Solve for x
    x = 4,806,371,584/44,516
  6. Step 6: Final answer
    x = 107,969.53

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.