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Finding the Third Proportional to 4,790 and 10,246

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Solution

The third proportional to 4,790 and 10,246 is: 21,916.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790 : 10,246 = 10,246 : x
  2. Step 2: Convert to fraction form
    4,790/10,246 = 10,246/x
  3. Step 3: Cross multiply
    4,790x = 10,246 × 10,246
  4. Step 4: Simplify right side
    4,790x = 104,980,516
  5. Step 5: Solve for x
    x = 104,980,516/4,790
  6. Step 6: Final answer
    x = 21,916.60

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.