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Finding the Third Proportional to 1,298.53 and 2,673.63

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Solution

The third proportional to 1,298.53 and 2,673.63 is: 5,504.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298.53 : 2,673.63 = 2,673.63 : x
  2. Step 2: Convert to fraction form
    1,298.53/2,673.63 = 2,673.63/x
  3. Step 3: Cross multiply
    1,298.53x = 2,673.63 × 2,673.63
  4. Step 4: Simplify right side
    1,298.53x = 7,148,312.42
  5. Step 5: Solve for x
    x = 7,148,312.42/1,298.53
  6. Step 6: Final answer
    x = 5,504.92

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.