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Finding the Third Proportional to 93,449.50 and 139,787

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Solution

The third proportional to 93,449.50 and 139,787 is: 209,101.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,449.50 : 139,787 = 139,787 : x
  2. Step 2: Convert to fraction form
    93,449.50/139,787 = 139,787/x
  3. Step 3: Cross multiply
    93,449.50x = 139,787 × 139,787
  4. Step 4: Simplify right side
    93,449.50x = 19,540,405,369
  5. Step 5: Solve for x
    x = 19,540,405,369/93,449.50
  6. Step 6: Final answer
    x = 209,101.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.