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Finding the Third Proportional to 93,989.25 and 145,629

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Solution

The third proportional to 93,989.25 and 145,629 is: 225,640.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,989.25 : 145,629 = 145,629 : x
  2. Step 2: Convert to fraction form
    93,989.25/145,629 = 145,629/x
  3. Step 3: Cross multiply
    93,989.25x = 145,629 × 145,629
  4. Step 4: Simplify right side
    93,989.25x = 21,207,805,641
  5. Step 5: Solve for x
    x = 21,207,805,641/93,989.25
  6. Step 6: Final answer
    x = 225,640.76

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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.