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Finding the Third Proportional to 21,519,660 and 46,109,377

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Solution

The third proportional to 21,519,660 and 46,109,377 is: 98,796,851.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,519,660 : 46,109,377 = 46,109,377 : x
  2. Step 2: Convert to fraction form
    21,519,660/46,109,377 = 46,109,377/x
  3. Step 3: Cross multiply
    21,519,660x = 46,109,377 × 46,109,377
  4. Step 4: Simplify right side
    21,519,660x = 2,126,074,647,328,129
  5. Step 5: Solve for x
    x = 2,126,074,647,328,129/21,519,660
  6. Step 6: Final answer
    x = 98,796,851.22

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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.