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Finding the Third Proportional to 7,810.50 and 11,373

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Solution

The third proportional to 7,810.50 and 11,373 is: 16,560.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810.50 : 11,373 = 11,373 : x
  2. Step 2: Convert to fraction form
    7,810.50/11,373 = 11,373/x
  3. Step 3: Cross multiply
    7,810.50x = 11,373 × 11,373
  4. Step 4: Simplify right side
    7,810.50x = 129,345,129
  5. Step 5: Solve for x
    x = 129,345,129/7,810.50
  6. Step 6: Final answer
    x = 16,560.42

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.