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Finding the Third Proportional to 979.13 and 1,504.88

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Solution

The third proportional to 979.13 and 1,504.88 is: 2,312.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    979.13 : 1,504.88 = 1,504.88 : x
  2. Step 2: Convert to fraction form
    979.13/1,504.88 = 1,504.88/x
  3. Step 3: Cross multiply
    979.13x = 1,504.88 × 1,504.88
  4. Step 4: Simplify right side
    979.13x = 2,264,648.77
  5. Step 5: Solve for x
    x = 2,264,648.77/979.13
  6. Step 6: Final answer
    x = 2,312.93

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.