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Finding the Third Proportional to 9,726 and 21,343

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Solution

The third proportional to 9,726 and 21,343 is: 46,835.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,726 : 21,343 = 21,343 : x
  2. Step 2: Convert to fraction form
    9,726/21,343 = 21,343/x
  3. Step 3: Cross multiply
    9,726x = 21,343 × 21,343
  4. Step 4: Simplify right side
    9,726x = 455,523,649
  5. Step 5: Solve for x
    x = 455,523,649/9,726
  6. Step 6: Final answer
    x = 46,835.66

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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.