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Finding the Third Proportional to 15,299,859 and 33,291,348

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Solution

The third proportional to 15,299,859 and 33,291,348 is: 72,439,481.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,299,859 : 33,291,348 = 33,291,348 : x
  2. Step 2: Convert to fraction form
    15,299,859/33,291,348 = 33,291,348/x
  3. Step 3: Cross multiply
    15,299,859x = 33,291,348 × 33,291,348
  4. Step 4: Simplify right side
    15,299,859x = 1,108,313,851,657,104
  5. Step 5: Solve for x
    x = 1,108,313,851,657,104/15,299,859
  6. Step 6: Final answer
    x = 72,439,481.41

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.