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Finding the Third Proportional to 55,430 and 118,735

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Solution

The third proportional to 55,430 and 118,735 is: 254,338.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,430 : 118,735 = 118,735 : x
  2. Step 2: Convert to fraction form
    55,430/118,735 = 118,735/x
  3. Step 3: Cross multiply
    55,430x = 118,735 × 118,735
  4. Step 4: Simplify right side
    55,430x = 14,098,000,225
  5. Step 5: Solve for x
    x = 14,098,000,225/55,430
  6. Step 6: Final answer
    x = 254,338.81

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.