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Finding the Third Proportional to 567.42 and 903.45

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Solution

The third proportional to 567.42 and 903.45 is: 1,438.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.42 : 903.45 = 903.45 : x
  2. Step 2: Convert to fraction form
    567.42/903.45 = 903.45/x
  3. Step 3: Cross multiply
    567.42x = 903.45 × 903.45
  4. Step 4: Simplify right side
    567.42x = 816,213.43
  5. Step 5: Solve for x
    x = 816,213.43/567.42
  6. Step 6: Final answer
    x = 1,438.46

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.