Home / 18,660,926.81-38,811,155.06

Finding the Third Proportional to 18,660,926.81 and 38,811,155.06

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Solution

The third proportional to 18,660,926.81 and 38,811,155.06 is: 80,719,771.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660,926.81 : 38,811,155.06 = 38,811,155.06 : x
  2. Step 2: Convert to fraction form
    18,660,926.81/38,811,155.06 = 38,811,155.06/x
  3. Step 3: Cross multiply
    18,660,926.81x = 38,811,155.06 × 38,811,155.06
  4. Step 4: Simplify right side
    18,660,926.81x = 1,506,305,757,285,419.50
  5. Step 5: Solve for x
    x = 1,506,305,757,285,419.50/18,660,926.81
  6. Step 6: Final answer
    x = 80,719,771.98

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.