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Finding the Third Proportional to 103,188 and 163,998

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Solution

The third proportional to 103,188 and 163,998 is: 260,644.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,188 : 163,998 = 163,998 : x
  2. Step 2: Convert to fraction form
    103,188/163,998 = 163,998/x
  3. Step 3: Cross multiply
    103,188x = 163,998 × 163,998
  4. Step 4: Simplify right side
    103,188x = 26,895,344,004
  5. Step 5: Solve for x
    x = 26,895,344,004/103,188
  6. Step 6: Final answer
    x = 260,644.11

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.