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Finding the Third Proportional to 18,228,210 and 39,585,942.75

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Solution

The third proportional to 18,228,210 and 39,585,942.75 is: 85,968,225.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228,210 : 39,585,942.75 = 39,585,942.75 : x
  2. Step 2: Convert to fraction form
    18,228,210/39,585,942.75 = 39,585,942.75/x
  3. Step 3: Cross multiply
    18,228,210x = 39,585,942.75 × 39,585,942.75
  4. Step 4: Simplify right side
    18,228,210x = 1,567,046,863,406,277.50
  5. Step 5: Solve for x
    x = 1,567,046,863,406,277.50/18,228,210
  6. Step 6: Final answer
    x = 85,968,225.26

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.