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Finding the Third Proportional to 582.38 and 900.94

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Solution

The third proportional to 582.38 and 900.94 is: 1,393.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.38 : 900.94 = 900.94 : x
  2. Step 2: Convert to fraction form
    582.38/900.94 = 900.94/x
  3. Step 3: Cross multiply
    582.38x = 900.94 × 900.94
  4. Step 4: Simplify right side
    582.38x = 811,688.38
  5. Step 5: Solve for x
    x = 811,688.38/582.38
  6. Step 6: Final answer
    x = 1,393.76

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.