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Finding the Third Proportional to 40,440 and 87,752

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Solution

The third proportional to 40,440 and 87,752 is: 190,415.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,440 : 87,752 = 87,752 : x
  2. Step 2: Convert to fraction form
    40,440/87,752 = 87,752/x
  3. Step 3: Cross multiply
    40,440x = 87,752 × 87,752
  4. Step 4: Simplify right side
    40,440x = 7,700,413,504
  5. Step 5: Solve for x
    x = 7,700,413,504/40,440
  6. Step 6: Final answer
    x = 190,415.76

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.