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Finding the Third Proportional to 21,204 and 46,440

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Solution

The third proportional to 21,204 and 46,440 is: 101,710.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,204 : 46,440 = 46,440 : x
  2. Step 2: Convert to fraction form
    21,204/46,440 = 46,440/x
  3. Step 3: Cross multiply
    21,204x = 46,440 × 46,440
  4. Step 4: Simplify right side
    21,204x = 2,156,673,600
  5. Step 5: Solve for x
    x = 2,156,673,600/21,204
  6. Step 6: Final answer
    x = 101,710.70

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.