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Finding the Third Proportional to 9,748 and 21,347

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Solution

The third proportional to 9,748 and 21,347 is: 46,747.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,748 : 21,347 = 21,347 : x
  2. Step 2: Convert to fraction form
    9,748/21,347 = 21,347/x
  3. Step 3: Cross multiply
    9,748x = 21,347 × 21,347
  4. Step 4: Simplify right side
    9,748x = 455,694,409
  5. Step 5: Solve for x
    x = 455,694,409/9,748
  6. Step 6: Final answer
    x = 46,747.48

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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.