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Finding the Third Proportional to 163,072 and 352,256

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Solution

The third proportional to 163,072 and 352,256 is: 760,917.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,072 : 352,256 = 352,256 : x
  2. Step 2: Convert to fraction form
    163,072/352,256 = 352,256/x
  3. Step 3: Cross multiply
    163,072x = 352,256 × 352,256
  4. Step 4: Simplify right side
    163,072x = 124,084,289,536
  5. Step 5: Solve for x
    x = 124,084,289,536/163,072
  6. Step 6: Final answer
    x = 760,917.20

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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.