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Finding the Third Proportional to 34,688 and 74,641

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Solution

The third proportional to 34,688 and 74,641 is: 160,611.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,688 : 74,641 = 74,641 : x
  2. Step 2: Convert to fraction form
    34,688/74,641 = 74,641/x
  3. Step 3: Cross multiply
    34,688x = 74,641 × 74,641
  4. Step 4: Simplify right side
    34,688x = 5,571,278,881
  5. Step 5: Solve for x
    x = 5,571,278,881/34,688
  6. Step 6: Final answer
    x = 160,611.13

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.