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Finding the Third Proportional to 45,656 and 98,128

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Solution

The third proportional to 45,656 and 98,128 is: 210,905.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,656 : 98,128 = 98,128 : x
  2. Step 2: Convert to fraction form
    45,656/98,128 = 98,128/x
  3. Step 3: Cross multiply
    45,656x = 98,128 × 98,128
  4. Step 4: Simplify right side
    45,656x = 9,629,104,384
  5. Step 5: Solve for x
    x = 9,629,104,384/45,656
  6. Step 6: Final answer
    x = 210,905.56

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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.