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Finding the Third Proportional to 175,045 and 384,128

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Solution

The third proportional to 175,045 and 384,128 is: 842,950.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,045 : 384,128 = 384,128 : x
  2. Step 2: Convert to fraction form
    175,045/384,128 = 384,128/x
  3. Step 3: Cross multiply
    175,045x = 384,128 × 384,128
  4. Step 4: Simplify right side
    175,045x = 147,554,320,384
  5. Step 5: Solve for x
    x = 147,554,320,384/175,045
  6. Step 6: Final answer
    x = 842,950.79

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.