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Finding the Third Proportional to 69,896,539 and 109,408,073

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Solution

The third proportional to 69,896,539 and 109,408,073 is: 171,254,923.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,896,539 : 109,408,073 = 109,408,073 : x
  2. Step 2: Convert to fraction form
    69,896,539/109,408,073 = 109,408,073/x
  3. Step 3: Cross multiply
    69,896,539x = 109,408,073 × 109,408,073
  4. Step 4: Simplify right side
    69,896,539x = 11,970,126,437,573,328
  5. Step 5: Solve for x
    x = 11,970,126,437,573,328/69,896,539
  6. Step 6: Final answer
    x = 171,254,923.47

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.