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Finding the Third Proportional to 18,374,991.75 and 27,142,219.13

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Solution

The third proportional to 18,374,991.75 and 27,142,219.13 is: 40,092,538.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,374,991.75 : 27,142,219.13 = 27,142,219.13 : x
  2. Step 2: Convert to fraction form
    18,374,991.75/27,142,219.13 = 27,142,219.13/x
  3. Step 3: Cross multiply
    18,374,991.75x = 27,142,219.13 × 27,142,219.13
  4. Step 4: Simplify right side
    18,374,991.75x = 736,700,059,029,515.75
  5. Step 5: Solve for x
    x = 736,700,059,029,515.75/18,374,991.75
  6. Step 6: Final answer
    x = 40,092,538.22

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.