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Finding the Third Proportional to 114,458.25 and 177,438

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Solution

The third proportional to 114,458.25 and 177,438 is: 275,071.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,458.25 : 177,438 = 177,438 : x
  2. Step 2: Convert to fraction form
    114,458.25/177,438 = 177,438/x
  3. Step 3: Cross multiply
    114,458.25x = 177,438 × 177,438
  4. Step 4: Simplify right side
    114,458.25x = 31,484,243,844
  5. Step 5: Solve for x
    x = 31,484,243,844/114,458.25
  6. Step 6: Final answer
    x = 275,071.86

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.