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Finding the Third Proportional to 21,548 and 29,088

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Solution

The third proportional to 21,548 and 29,088 is: 39,266.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,548 : 29,088 = 29,088 : x
  2. Step 2: Convert to fraction form
    21,548/29,088 = 29,088/x
  3. Step 3: Cross multiply
    21,548x = 29,088 × 29,088
  4. Step 4: Simplify right side
    21,548x = 846,111,744
  5. Step 5: Solve for x
    x = 846,111,744/21,548
  6. Step 6: Final answer
    x = 39,266.37

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.