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Finding the Third Proportional to 9,855 and 14,985

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Solution

The third proportional to 9,855 and 14,985 is: 22,785.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,855 : 14,985 = 14,985 : x
  2. Step 2: Convert to fraction form
    9,855/14,985 = 14,985/x
  3. Step 3: Cross multiply
    9,855x = 14,985 × 14,985
  4. Step 4: Simplify right side
    9,855x = 224,550,225
  5. Step 5: Solve for x
    x = 224,550,225/9,855
  6. Step 6: Final answer
    x = 22,785.41

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.