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Finding the Third Proportional to 8,511,981.19 and 11,943,999.28

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Solution

The third proportional to 8,511,981.19 and 11,943,999.28 is: 16,759,801.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511,981.19 : 11,943,999.28 = 11,943,999.28 : x
  2. Step 2: Convert to fraction form
    8,511,981.19/11,943,999.28 = 11,943,999.28/x
  3. Step 3: Cross multiply
    8,511,981.19x = 11,943,999.28 × 11,943,999.28
  4. Step 4: Simplify right side
    8,511,981.19x = 142,659,118,830,500.53
  5. Step 5: Solve for x
    x = 142,659,118,830,500.53/8,511,981.19
  6. Step 6: Final answer
    x = 16,759,801.94

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.