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Finding the Third Proportional to 168,640 and 372,986

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Solution

The third proportional to 168,640 and 372,986 is: 824,944.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,640 : 372,986 = 372,986 : x
  2. Step 2: Convert to fraction form
    168,640/372,986 = 372,986/x
  3. Step 3: Cross multiply
    168,640x = 372,986 × 372,986
  4. Step 4: Simplify right side
    168,640x = 139,118,556,196
  5. Step 5: Solve for x
    x = 139,118,556,196/168,640
  6. Step 6: Final answer
    x = 824,944.00

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.