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Finding the Third Proportional to 18,948,068 and 28,776,720

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Solution

The third proportional to 18,948,068 and 28,776,720 is: 43,703,643.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948,068 : 28,776,720 = 28,776,720 : x
  2. Step 2: Convert to fraction form
    18,948,068/28,776,720 = 28,776,720/x
  3. Step 3: Cross multiply
    18,948,068x = 28,776,720 × 28,776,720
  4. Step 4: Simplify right side
    18,948,068x = 828,099,613,958,400
  5. Step 5: Solve for x
    x = 828,099,613,958,400/18,948,068
  6. Step 6: Final answer
    x = 43,703,643.77

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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.