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Finding the Third Proportional to 3,634,436.25 and 7,929,029.25

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Solution

The third proportional to 3,634,436.25 and 7,929,029.25 is: 17,298,282.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634,436.25 : 7,929,029.25 = 7,929,029.25 : x
  2. Step 2: Convert to fraction form
    3,634,436.25/7,929,029.25 = 7,929,029.25/x
  3. Step 3: Cross multiply
    3,634,436.25x = 7,929,029.25 × 7,929,029.25
  4. Step 4: Simplify right side
    3,634,436.25x = 62,869,504,847,355.56
  5. Step 5: Solve for x
    x = 62,869,504,847,355.56/3,634,436.25
  6. Step 6: Final answer
    x = 17,298,282.46

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.