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Finding the Third Proportional to 15,090.19 and 22,172.34

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Solution

The third proportional to 15,090.19 and 22,172.34 is: 32,578.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,090.19 : 22,172.34 = 22,172.34 : x
  2. Step 2: Convert to fraction form
    15,090.19/22,172.34 = 22,172.34/x
  3. Step 3: Cross multiply
    15,090.19x = 22,172.34 × 22,172.34
  4. Step 4: Simplify right side
    15,090.19x = 491,612,827.37
  5. Step 5: Solve for x
    x = 491,612,827.37/15,090.19
  6. Step 6: Final answer
    x = 32,578.31

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.