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Finding the Third Proportional to 973.69 and 1,521.19

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Solution

The third proportional to 973.69 and 1,521.19 is: 2,376.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    973.69 : 1,521.19 = 1,521.19 : x
  2. Step 2: Convert to fraction form
    973.69/1,521.19 = 1,521.19/x
  3. Step 3: Cross multiply
    973.69x = 1,521.19 × 1,521.19
  4. Step 4: Simplify right side
    973.69x = 2,314,011.41
  5. Step 5: Solve for x
    x = 2,314,011.41/973.69
  6. Step 6: Final answer
    x = 2,376.54

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.