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Finding the Third Proportional to 386.02 and 566.16

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Solution

The third proportional to 386.02 and 566.16 is: 830.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    386.02 : 566.16 = 566.16 : x
  2. Step 2: Convert to fraction form
    386.02/566.16 = 566.16/x
  3. Step 3: Cross multiply
    386.02x = 566.16 × 566.16
  4. Step 4: Simplify right side
    386.02x = 320,532.90
  5. Step 5: Solve for x
    x = 320,532.90/386.02
  6. Step 6: Final answer
    x = 830.36

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.