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Finding the Third Proportional to 8,875 and 13,313

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Solution

The third proportional to 8,875 and 13,313 is: 19,970.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875 : 13,313 = 13,313 : x
  2. Step 2: Convert to fraction form
    8,875/13,313 = 13,313/x
  3. Step 3: Cross multiply
    8,875x = 13,313 × 13,313
  4. Step 4: Simplify right side
    8,875x = 177,235,969
  5. Step 5: Solve for x
    x = 177,235,969/8,875
  6. Step 6: Final answer
    x = 19,970.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.