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Finding the Third Proportional to 21,559.69 and 47,127.19

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Solution

The third proportional to 21,559.69 and 47,127.19 is: 103,015.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559.69 : 47,127.19 = 47,127.19 : x
  2. Step 2: Convert to fraction form
    21,559.69/47,127.19 = 47,127.19/x
  3. Step 3: Cross multiply
    21,559.69x = 47,127.19 × 47,127.19
  4. Step 4: Simplify right side
    21,559.69x = 2,220,971,801.66
  5. Step 5: Solve for x
    x = 2,220,971,801.66/21,559.69
  6. Step 6: Final answer
    x = 103,015.03

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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.