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Finding the Third Proportional to 28,771,646 and 61,647,208

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Solution

The third proportional to 28,771,646 and 61,647,208 is: 132,087,620.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,771,646 : 61,647,208 = 61,647,208 : x
  2. Step 2: Convert to fraction form
    28,771,646/61,647,208 = 61,647,208/x
  3. Step 3: Cross multiply
    28,771,646x = 61,647,208 × 61,647,208
  4. Step 4: Simplify right side
    28,771,646x = 3,800,378,254,195,264
  5. Step 5: Solve for x
    x = 3,800,378,254,195,264/28,771,646
  6. Step 6: Final answer
    x = 132,087,620.37

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.