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Finding the Third Proportional to 7,043,125.50 and 11,203,731

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Solution

The third proportional to 7,043,125.50 and 11,203,731 is: 17,822,142.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,043,125.50 : 11,203,731 = 11,203,731 : x
  2. Step 2: Convert to fraction form
    7,043,125.50/11,203,731 = 11,203,731/x
  3. Step 3: Cross multiply
    7,043,125.50x = 11,203,731 × 11,203,731
  4. Step 4: Simplify right side
    7,043,125.50x = 125,523,588,320,361
  5. Step 5: Solve for x
    x = 125,523,588,320,361/7,043,125.50
  6. Step 6: Final answer
    x = 17,822,142.79

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.