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Finding the Third Proportional to 7,504 and 11,840

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Solution

The third proportional to 7,504 and 11,840 is: 18,681.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,504 : 11,840 = 11,840 : x
  2. Step 2: Convert to fraction form
    7,504/11,840 = 11,840/x
  3. Step 3: Cross multiply
    7,504x = 11,840 × 11,840
  4. Step 4: Simplify right side
    7,504x = 140,185,600
  5. Step 5: Solve for x
    x = 140,185,600/7,504
  6. Step 6: Final answer
    x = 18,681.45

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.