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Finding the Third Proportional to 75,383 and 102,376.50

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Solution

The third proportional to 75,383 and 102,376.50 is: 139,035.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,383 : 102,376.50 = 102,376.50 : x
  2. Step 2: Convert to fraction form
    75,383/102,376.50 = 102,376.50/x
  3. Step 3: Cross multiply
    75,383x = 102,376.50 × 102,376.50
  4. Step 4: Simplify right side
    75,383x = 10,480,947,752.25
  5. Step 5: Solve for x
    x = 10,480,947,752.25/75,383
  6. Step 6: Final answer
    x = 139,035.96

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.