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Finding the Third Proportional to 4,862.25 and 10,143

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Solution

The third proportional to 4,862.25 and 10,143 is: 21,159.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,862.25 : 10,143 = 10,143 : x
  2. Step 2: Convert to fraction form
    4,862.25/10,143 = 10,143/x
  3. Step 3: Cross multiply
    4,862.25x = 10,143 × 10,143
  4. Step 4: Simplify right side
    4,862.25x = 102,880,449
  5. Step 5: Solve for x
    x = 102,880,449/4,862.25
  6. Step 6: Final answer
    x = 21,159.02

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.