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Finding the Third Proportional to 89,564.63 and 139,794.75

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Solution

The third proportional to 89,564.63 and 139,794.75 is: 218,195.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,564.63 : 139,794.75 = 139,794.75 : x
  2. Step 2: Convert to fraction form
    89,564.63/139,794.75 = 139,794.75/x
  3. Step 3: Cross multiply
    89,564.63x = 139,794.75 × 139,794.75
  4. Step 4: Simplify right side
    89,564.63x = 19,542,572,127.56
  5. Step 5: Solve for x
    x = 19,542,572,127.56/89,564.63
  6. Step 6: Final answer
    x = 218,195.21

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.