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Finding the Third Proportional to 18,692,532 and 40,177,296

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Solution

The third proportional to 18,692,532 and 40,177,296 is: 86,356,150.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,692,532 : 40,177,296 = 40,177,296 : x
  2. Step 2: Convert to fraction form
    18,692,532/40,177,296 = 40,177,296/x
  3. Step 3: Cross multiply
    18,692,532x = 40,177,296 × 40,177,296
  4. Step 4: Simplify right side
    18,692,532x = 1,614,215,113,871,616
  5. Step 5: Solve for x
    x = 1,614,215,113,871,616/18,692,532
  6. Step 6: Final answer
    x = 86,356,150.89

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.