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Finding the Third Proportional to 730 and 1,283

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Solution

The third proportional to 730 and 1,283 is: 2,254.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    730 : 1,283 = 1,283 : x
  2. Step 2: Convert to fraction form
    730/1,283 = 1,283/x
  3. Step 3: Cross multiply
    730x = 1,283 × 1,283
  4. Step 4: Simplify right side
    730x = 1,646,089
  5. Step 5: Solve for x
    x = 1,646,089/730
  6. Step 6: Final answer
    x = 2,254.92

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.