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Finding the Third Proportional to 78,894 and 110,970

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Solution

The third proportional to 78,894 and 110,970 is: 156,087.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,894 : 110,970 = 110,970 : x
  2. Step 2: Convert to fraction form
    78,894/110,970 = 110,970/x
  3. Step 3: Cross multiply
    78,894x = 110,970 × 110,970
  4. Step 4: Simplify right side
    78,894x = 12,314,340,900
  5. Step 5: Solve for x
    x = 12,314,340,900/78,894
  6. Step 6: Final answer
    x = 156,087.17

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These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.