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Finding the Third Proportional to 11,920,634.50 and 25,746,965.50

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Solution

The third proportional to 11,920,634.50 and 25,746,965.50 is: 55,609,978.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,920,634.50 : 25,746,965.50 = 25,746,965.50 : x
  2. Step 2: Convert to fraction form
    11,920,634.50/25,746,965.50 = 25,746,965.50/x
  3. Step 3: Cross multiply
    11,920,634.50x = 25,746,965.50 × 25,746,965.50
  4. Step 4: Simplify right side
    11,920,634.50x = 662,906,232,458,190.25
  5. Step 5: Solve for x
    x = 662,906,232,458,190.25/11,920,634.50
  6. Step 6: Final answer
    x = 55,609,978.85

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.