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Finding the Third Proportional to 45,376,038 and 99,568,620

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Solution

The third proportional to 45,376,038 and 99,568,620 is: 218,483,378.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,376,038 : 99,568,620 = 99,568,620 : x
  2. Step 2: Convert to fraction form
    45,376,038/99,568,620 = 99,568,620/x
  3. Step 3: Cross multiply
    45,376,038x = 99,568,620 × 99,568,620
  4. Step 4: Simplify right side
    45,376,038x = 9,913,910,088,704,400
  5. Step 5: Solve for x
    x = 9,913,910,088,704,400/45,376,038
  6. Step 6: Final answer
    x = 218,483,378.58

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.