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Finding the Third Proportional to 28,916,469 and 38,550,990

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Solution

The third proportional to 28,916,469 and 38,550,990 is: 51,395,584.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,916,469 : 38,550,990 = 38,550,990 : x
  2. Step 2: Convert to fraction form
    28,916,469/38,550,990 = 38,550,990/x
  3. Step 3: Cross multiply
    28,916,469x = 38,550,990 × 38,550,990
  4. Step 4: Simplify right side
    28,916,469x = 1,486,178,829,980,100
  5. Step 5: Solve for x
    x = 1,486,178,829,980,100/28,916,469
  6. Step 6: Final answer
    x = 51,395,584.64

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.