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Finding the Third Proportional to 66,126 and 102,108

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Solution

The third proportional to 66,126 and 102,108 is: 157,669.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,126 : 102,108 = 102,108 : x
  2. Step 2: Convert to fraction form
    66,126/102,108 = 102,108/x
  3. Step 3: Cross multiply
    66,126x = 102,108 × 102,108
  4. Step 4: Simplify right side
    66,126x = 10,426,043,664
  5. Step 5: Solve for x
    x = 10,426,043,664/66,126
  6. Step 6: Final answer
    x = 157,669.35

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.