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Finding the Third Proportional to 43,752 and 67,875

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Solution

The third proportional to 43,752 and 67,875 is: 105,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,752 : 67,875 = 67,875 : x
  2. Step 2: Convert to fraction form
    43,752/67,875 = 67,875/x
  3. Step 3: Cross multiply
    43,752x = 67,875 × 67,875
  4. Step 4: Simplify right side
    43,752x = 4,607,015,625
  5. Step 5: Solve for x
    x = 4,607,015,625/43,752
  6. Step 6: Final answer
    x = 105,298.40

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.