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Finding the Third Proportional to 3,536,985.55 and 7,578,194.20

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Solution

The third proportional to 3,536,985.55 and 7,578,194.20 is: 16,236,715.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,536,985.55 : 7,578,194.20 = 7,578,194.20 : x
  2. Step 2: Convert to fraction form
    3,536,985.55/7,578,194.20 = 7,578,194.20/x
  3. Step 3: Cross multiply
    3,536,985.55x = 7,578,194.20 × 7,578,194.20
  4. Step 4: Simplify right side
    3,536,985.55x = 57,429,027,380,277.35
  5. Step 5: Solve for x
    x = 57,429,027,380,277.35/3,536,985.55
  6. Step 6: Final answer
    x = 16,236,715.29

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.