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Finding the Third Proportional to 137,624.06 and 212,698.41

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Solution

The third proportional to 137,624.06 and 212,698.41 is: 328,726.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,624.06 : 212,698.41 = 212,698.41 : x
  2. Step 2: Convert to fraction form
    137,624.06/212,698.41 = 212,698.41/x
  3. Step 3: Cross multiply
    137,624.06x = 212,698.41 × 212,698.41
  4. Step 4: Simplify right side
    137,624.06x = 45,240,612,021.29
  5. Step 5: Solve for x
    x = 45,240,612,021.29/137,624.06
  6. Step 6: Final answer
    x = 328,726.03

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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.