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Finding the Third Proportional to 39,640 and 88,028

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Solution

The third proportional to 39,640 and 88,028 is: 195,482.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,640 : 88,028 = 88,028 : x
  2. Step 2: Convert to fraction form
    39,640/88,028 = 88,028/x
  3. Step 3: Cross multiply
    39,640x = 88,028 × 88,028
  4. Step 4: Simplify right side
    39,640x = 7,748,928,784
  5. Step 5: Solve for x
    x = 7,748,928,784/39,640
  6. Step 6: Final answer
    x = 195,482.56

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.