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Finding the Third Proportional to 9,726.75 and 21,277.13

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Solution

The third proportional to 9,726.75 and 21,277.13 is: 46,543.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,726.75 : 21,277.13 = 21,277.13 : x
  2. Step 2: Convert to fraction form
    9,726.75/21,277.13 = 21,277.13/x
  3. Step 3: Cross multiply
    9,726.75x = 21,277.13 × 21,277.13
  4. Step 4: Simplify right side
    9,726.75x = 452,716,048.27
  5. Step 5: Solve for x
    x = 452,716,048.27/9,726.75
  6. Step 6: Final answer
    x = 46,543.40

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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.