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Finding the Third Proportional to 18,948,066 and 28,776,717

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Solution

The third proportional to 18,948,066 and 28,776,717 is: 43,703,639.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948,066 : 28,776,717 = 28,776,717 : x
  2. Step 2: Convert to fraction form
    18,948,066/28,776,717 = 28,776,717/x
  3. Step 3: Cross multiply
    18,948,066x = 28,776,717 × 28,776,717
  4. Step 4: Simplify right side
    18,948,066x = 828,099,441,298,089
  5. Step 5: Solve for x
    x = 828,099,441,298,089/18,948,066
  6. Step 6: Final answer
    x = 43,703,639.27

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.