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Finding the Third Proportional to 16,878,388.50 and 36,272,799

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Solution

The third proportional to 16,878,388.50 and 36,272,799 is: 77,952,699.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878,388.50 : 36,272,799 = 36,272,799 : x
  2. Step 2: Convert to fraction form
    16,878,388.50/36,272,799 = 36,272,799/x
  3. Step 3: Cross multiply
    16,878,388.50x = 36,272,799 × 36,272,799
  4. Step 4: Simplify right side
    16,878,388.50x = 1,315,715,947,294,401
  5. Step 5: Solve for x
    x = 1,315,715,947,294,401/16,878,388.50
  6. Step 6: Final answer
    x = 77,952,699.53

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.