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Finding the Third Proportional to 21,718.13 and 29,048.63

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Solution

The third proportional to 21,718.13 and 29,048.63 is: 38,853.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,718.13 : 29,048.63 = 29,048.63 : x
  2. Step 2: Convert to fraction form
    21,718.13/29,048.63 = 29,048.63/x
  3. Step 3: Cross multiply
    21,718.13x = 29,048.63 × 29,048.63
  4. Step 4: Simplify right side
    21,718.13x = 843,822,614.39
  5. Step 5: Solve for x
    x = 843,822,614.39/21,718.13
  6. Step 6: Final answer
    x = 38,853.38

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.