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Finding the Third Proportional to 7,773 and 11,002.50

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Solution

The third proportional to 7,773 and 11,002.50 is: 15,573.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,773 : 11,002.50 = 11,002.50 : x
  2. Step 2: Convert to fraction form
    7,773/11,002.50 = 11,002.50/x
  3. Step 3: Cross multiply
    7,773x = 11,002.50 × 11,002.50
  4. Step 4: Simplify right side
    7,773x = 121,055,006.25
  5. Step 5: Solve for x
    x = 121,055,006.25/7,773
  6. Step 6: Final answer
    x = 15,573.78

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.