Home / 18,536,670.28-40,368,739.50

Finding the Third Proportional to 18,536,670.28 and 40,368,739.50

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Solution

The third proportional to 18,536,670.28 and 40,368,739.50 is: 87,914,123.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536,670.28 : 40,368,739.50 = 40,368,739.50 : x
  2. Step 2: Convert to fraction form
    18,536,670.28/40,368,739.50 = 40,368,739.50/x
  3. Step 3: Cross multiply
    18,536,670.28x = 40,368,739.50 × 40,368,739.50
  4. Step 4: Simplify right side
    18,536,670.28x = 1,629,635,128,818,860.25
  5. Step 5: Solve for x
    x = 1,629,635,128,818,860.25/18,536,670.28
  6. Step 6: Final answer
    x = 87,914,123.96

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.