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Finding the Third Proportional to 74,080.13 and 160,128

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Solution

The third proportional to 74,080.13 and 160,128 is: 346,124.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,080.13 : 160,128 = 160,128 : x
  2. Step 2: Convert to fraction form
    74,080.13/160,128 = 160,128/x
  3. Step 3: Cross multiply
    74,080.13x = 160,128 × 160,128
  4. Step 4: Simplify right side
    74,080.13x = 25,640,976,384
  5. Step 5: Solve for x
    x = 25,640,976,384/74,080.13
  6. Step 6: Final answer
    x = 346,124.91

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.