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Finding the Third Proportional to 21,951 and 26,703

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Solution

The third proportional to 21,951 and 26,703 is: 32,483.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,951 : 26,703 = 26,703 : x
  2. Step 2: Convert to fraction form
    21,951/26,703 = 26,703/x
  3. Step 3: Cross multiply
    21,951x = 26,703 × 26,703
  4. Step 4: Simplify right side
    21,951x = 713,050,209
  5. Step 5: Solve for x
    x = 713,050,209/21,951
  6. Step 6: Final answer
    x = 32,483.72

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.