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Finding the Third Proportional to 77,873.63 and 170,489.25

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Solution

The third proportional to 77,873.63 and 170,489.25 is: 373,253.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,873.63 : 170,489.25 = 170,489.25 : x
  2. Step 2: Convert to fraction form
    77,873.63/170,489.25 = 170,489.25/x
  3. Step 3: Cross multiply
    77,873.63x = 170,489.25 × 170,489.25
  4. Step 4: Simplify right side
    77,873.63x = 29,066,584,365.56
  5. Step 5: Solve for x
    x = 29,066,584,365.56/77,873.63
  6. Step 6: Final answer
    x = 373,253.26

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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.