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Finding the Third Proportional to 599.91 and 931.08

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Solution

The third proportional to 599.91 and 931.08 is: 1,445.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    599.91 : 931.08 = 931.08 : x
  2. Step 2: Convert to fraction form
    599.91/931.08 = 931.08/x
  3. Step 3: Cross multiply
    599.91x = 931.08 × 931.08
  4. Step 4: Simplify right side
    599.91x = 866,906.47
  5. Step 5: Solve for x
    x = 866,906.47/599.91
  6. Step 6: Final answer
    x = 1,445.07

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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.