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Finding the Third Proportional to 8,433 and 9,368.50

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Solution

The third proportional to 8,433 and 9,368.50 is: 10,407.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433 : 9,368.50 = 9,368.50 : x
  2. Step 2: Convert to fraction form
    8,433/9,368.50 = 9,368.50/x
  3. Step 3: Cross multiply
    8,433x = 9,368.50 × 9,368.50
  4. Step 4: Simplify right side
    8,433x = 87,768,792.25
  5. Step 5: Solve for x
    x = 87,768,792.25/8,433
  6. Step 6: Final answer
    x = 10,407.78

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.