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Finding the Third Proportional to 20,455,464 and 45,451,038

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Solution

The third proportional to 20,455,464 and 45,451,038 is: 100,989,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,455,464 : 45,451,038 = 45,451,038 : x
  2. Step 2: Convert to fraction form
    20,455,464/45,451,038 = 45,451,038/x
  3. Step 3: Cross multiply
    20,455,464x = 45,451,038 × 45,451,038
  4. Step 4: Simplify right side
    20,455,464x = 2,065,796,855,277,444
  5. Step 5: Solve for x
    x = 2,065,796,855,277,444/20,455,464
  6. Step 6: Final answer
    x = 100,989,977.80

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.