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Finding the Third Proportional to 170,399.06 and 358,425.56

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Solution

The third proportional to 170,399.06 and 358,425.56 is: 753,929.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,399.06 : 358,425.56 = 358,425.56 : x
  2. Step 2: Convert to fraction form
    170,399.06/358,425.56 = 358,425.56/x
  3. Step 3: Cross multiply
    170,399.06x = 358,425.56 × 358,425.56
  4. Step 4: Simplify right side
    170,399.06x = 128,468,883,853.44
  5. Step 5: Solve for x
    x = 128,468,883,853.44/170,399.06
  6. Step 6: Final answer
    x = 753,929.52

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.