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Finding the Third Proportional to 21,660 and 46,543.13

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Solution

The third proportional to 21,660 and 46,543.13 is: 100,012.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,660 : 46,543.13 = 46,543.13 : x
  2. Step 2: Convert to fraction form
    21,660/46,543.13 = 46,543.13/x
  3. Step 3: Cross multiply
    21,660x = 46,543.13 × 46,543.13
  4. Step 4: Simplify right side
    21,660x = 2,166,262,484.77
  5. Step 5: Solve for x
    x = 2,166,262,484.77/21,660
  6. Step 6: Final answer
    x = 100,012.12

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.