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Finding the Third Proportional to 1,335.02 and 2,921.38

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Solution

The third proportional to 1,335.02 and 2,921.38 is: 6,392.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335.02 : 2,921.38 = 2,921.38 : x
  2. Step 2: Convert to fraction form
    1,335.02/2,921.38 = 2,921.38/x
  3. Step 3: Cross multiply
    1,335.02x = 2,921.38 × 2,921.38
  4. Step 4: Simplify right side
    1,335.02x = 8,534,454.71
  5. Step 5: Solve for x
    x = 8,534,454.71/1,335.02
  6. Step 6: Final answer
    x = 6,392.74

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.