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Finding the Third Proportional to 21,556.13 and 23,500.13

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Solution

The third proportional to 21,556.13 and 23,500.13 is: 25,619.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,556.13 : 23,500.13 = 23,500.13 : x
  2. Step 2: Convert to fraction form
    21,556.13/23,500.13 = 23,500.13/x
  3. Step 3: Cross multiply
    21,556.13x = 23,500.13 × 23,500.13
  4. Step 4: Simplify right side
    21,556.13x = 552,255,875.02
  5. Step 5: Solve for x
    x = 552,255,875.02/21,556.13
  6. Step 6: Final answer
    x = 25,619.44

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.