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Finding the Third Proportional to 807.47 and 1,146.94

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Solution

The third proportional to 807.47 and 1,146.94 is: 1,629.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    807.47 : 1,146.94 = 1,146.94 : x
  2. Step 2: Convert to fraction form
    807.47/1,146.94 = 1,146.94/x
  3. Step 3: Cross multiply
    807.47x = 1,146.94 × 1,146.94
  4. Step 4: Simplify right side
    807.47x = 1,315,465.63
  5. Step 5: Solve for x
    x = 1,315,465.63/807.47
  6. Step 6: Final answer
    x = 1,629.12

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.