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Finding the Third Proportional to 104,358,078 and 221,344,380

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Solution

The third proportional to 104,358,078 and 221,344,380 is: 469,473,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,358,078 : 221,344,380 = 221,344,380 : x
  2. Step 2: Convert to fraction form
    104,358,078/221,344,380 = 221,344,380/x
  3. Step 3: Cross multiply
    104,358,078x = 221,344,380 × 221,344,380
  4. Step 4: Simplify right side
    104,358,078x = 48,993,334,557,584,400
  5. Step 5: Solve for x
    x = 48,993,334,557,584,400/104,358,078
  6. Step 6: Final answer
    x = 469,473,331.60

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.