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Finding the Third Proportional to 79,303 and 170,986

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Solution

The third proportional to 79,303 and 170,986 is: 368,664.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,303 : 170,986 = 170,986 : x
  2. Step 2: Convert to fraction form
    79,303/170,986 = 170,986/x
  3. Step 3: Cross multiply
    79,303x = 170,986 × 170,986
  4. Step 4: Simplify right side
    79,303x = 29,236,212,196
  5. Step 5: Solve for x
    x = 29,236,212,196/79,303
  6. Step 6: Final answer
    x = 368,664.64

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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.