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Finding the Third Proportional to 70,088 and 105,861

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Solution

The third proportional to 70,088 and 105,861 is: 159,892.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,088 : 105,861 = 105,861 : x
  2. Step 2: Convert to fraction form
    70,088/105,861 = 105,861/x
  3. Step 3: Cross multiply
    70,088x = 105,861 × 105,861
  4. Step 4: Simplify right side
    70,088x = 11,206,551,321
  5. Step 5: Solve for x
    x = 11,206,551,321/70,088
  6. Step 6: Final answer
    x = 159,892.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.