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Finding the Third Proportional to 70,673.44 and 109,290.94

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Solution

The third proportional to 70,673.44 and 109,290.94 is: 169,009.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,673.44 : 109,290.94 = 109,290.94 : x
  2. Step 2: Convert to fraction form
    70,673.44/109,290.94 = 109,290.94/x
  3. Step 3: Cross multiply
    70,673.44x = 109,290.94 × 109,290.94
  4. Step 4: Simplify right side
    70,673.44x = 11,944,509,019.63
  5. Step 5: Solve for x
    x = 11,944,509,019.63/70,673.44
  6. Step 6: Final answer
    x = 169,009.88

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.