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Finding the Third Proportional to 45,207 and 66,888.75

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Solution

The third proportional to 45,207 and 66,888.75 is: 98,969.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,207 : 66,888.75 = 66,888.75 : x
  2. Step 2: Convert to fraction form
    45,207/66,888.75 = 66,888.75/x
  3. Step 3: Cross multiply
    45,207x = 66,888.75 × 66,888.75
  4. Step 4: Simplify right side
    45,207x = 4,474,104,876.56
  5. Step 5: Solve for x
    x = 4,474,104,876.56/45,207
  6. Step 6: Final answer
    x = 98,969.29

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.