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Finding the Third Proportional to 6,643,135.50 and 10,847,549.25

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Solution

The third proportional to 6,643,135.50 and 10,847,549.25 is: 17,712,919.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,135.50 : 10,847,549.25 = 10,847,549.25 : x
  2. Step 2: Convert to fraction form
    6,643,135.50/10,847,549.25 = 10,847,549.25/x
  3. Step 3: Cross multiply
    6,643,135.50x = 10,847,549.25 × 10,847,549.25
  4. Step 4: Simplify right side
    6,643,135.50x = 117,669,324,731,175.56
  5. Step 5: Solve for x
    x = 117,669,324,731,175.56/6,643,135.50
  6. Step 6: Final answer
    x = 17,712,919.56

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.