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Finding the Third Proportional to 176,070 and 263,430

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Solution

The third proportional to 176,070 and 263,430 is: 394,135.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,070 : 263,430 = 263,430 : x
  2. Step 2: Convert to fraction form
    176,070/263,430 = 263,430/x
  3. Step 3: Cross multiply
    176,070x = 263,430 × 263,430
  4. Step 4: Simplify right side
    176,070x = 69,395,364,900
  5. Step 5: Solve for x
    x = 69,395,364,900/176,070
  6. Step 6: Final answer
    x = 394,135.09

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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.