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Finding the Third Proportional to 9,855 and 14,495

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Solution

The third proportional to 9,855 and 14,495 is: 21,319.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,855 : 14,495 = 14,495 : x
  2. Step 2: Convert to fraction form
    9,855/14,495 = 14,495/x
  3. Step 3: Cross multiply
    9,855x = 14,495 × 14,495
  4. Step 4: Simplify right side
    9,855x = 210,105,025
  5. Step 5: Solve for x
    x = 210,105,025/9,855
  6. Step 6: Final answer
    x = 21,319.64

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.