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Finding the Third Proportional to 19,131 and 40,577.63

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Solution

The third proportional to 19,131 and 40,577.63 is: 86,066.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131 : 40,577.63 = 40,577.63 : x
  2. Step 2: Convert to fraction form
    19,131/40,577.63 = 40,577.63/x
  3. Step 3: Cross multiply
    19,131x = 40,577.63 × 40,577.63
  4. Step 4: Simplify right side
    19,131x = 1,646,543,650.64
  5. Step 5: Solve for x
    x = 1,646,543,650.64/19,131
  6. Step 6: Final answer
    x = 86,066.78

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.