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Finding the Third Proportional to 8,815,476.75 and 13,356,538.50

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Solution

The third proportional to 8,815,476.75 and 13,356,538.50 is: 20,236,809.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815,476.75 : 13,356,538.50 = 13,356,538.50 : x
  2. Step 2: Convert to fraction form
    8,815,476.75/13,356,538.50 = 13,356,538.50/x
  3. Step 3: Cross multiply
    8,815,476.75x = 13,356,538.50 × 13,356,538.50
  4. Step 4: Simplify right side
    8,815,476.75x = 178,397,120,701,982.25
  5. Step 5: Solve for x
    x = 178,397,120,701,982.25/8,815,476.75
  6. Step 6: Final answer
    x = 20,236,809.17

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.