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Finding the Third Proportional to 52,638,272 and 78,519,296

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Solution

The third proportional to 52,638,272 and 78,519,296 is: 117,125,422.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,638,272 : 78,519,296 = 78,519,296 : x
  2. Step 2: Convert to fraction form
    52,638,272/78,519,296 = 78,519,296/x
  3. Step 3: Cross multiply
    52,638,272x = 78,519,296 × 78,519,296
  4. Step 4: Simplify right side
    52,638,272x = 6,165,279,844,335,616
  5. Step 5: Solve for x
    x = 6,165,279,844,335,616/52,638,272
  6. Step 6: Final answer
    x = 117,125,422.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.