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Finding the Third Proportional to 21,556.13 and 46,909.13

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Solution

The third proportional to 21,556.13 and 46,909.13 is: 102,080.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,556.13 : 46,909.13 = 46,909.13 : x
  2. Step 2: Convert to fraction form
    21,556.13/46,909.13 = 46,909.13/x
  3. Step 3: Cross multiply
    21,556.13x = 46,909.13 × 46,909.13
  4. Step 4: Simplify right side
    21,556.13x = 2,200,466,008.27
  5. Step 5: Solve for x
    x = 2,200,466,008.27/21,556.13
  6. Step 6: Final answer
    x = 102,080.78

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.