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Finding the Third Proportional to 1,164.63 and 1,731.13

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Solution

The third proportional to 1,164.63 and 1,731.13 is: 2,573.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164.63 : 1,731.13 = 1,731.13 : x
  2. Step 2: Convert to fraction form
    1,164.63/1,731.13 = 1,731.13/x
  3. Step 3: Cross multiply
    1,164.63x = 1,731.13 × 1,731.13
  4. Step 4: Simplify right side
    1,164.63x = 2,996,793.77
  5. Step 5: Solve for x
    x = 2,996,793.77/1,164.63
  6. Step 6: Final answer
    x = 2,573.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.