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Finding the Third Proportional to 930.65 and 1,374.35

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Solution

The third proportional to 930.65 and 1,374.35 is: 2,029.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    930.65 : 1,374.35 = 1,374.35 : x
  2. Step 2: Convert to fraction form
    930.65/1,374.35 = 1,374.35/x
  3. Step 3: Cross multiply
    930.65x = 1,374.35 × 1,374.35
  4. Step 4: Simplify right side
    930.65x = 1,888,838.19
  5. Step 5: Solve for x
    x = 1,888,838.19/930.65
  6. Step 6: Final answer
    x = 2,029.59

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.