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Finding the Third Proportional to 151.88 and 368.30

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Solution

The third proportional to 151.88 and 368.30 is: 893.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    151.88 : 368.30 = 368.30 : x
  2. Step 2: Convert to fraction form
    151.88/368.30 = 368.30/x
  3. Step 3: Cross multiply
    151.88x = 368.30 × 368.30
  4. Step 4: Simplify right side
    151.88x = 135,642.59
  5. Step 5: Solve for x
    x = 135,642.59/151.88
  6. Step 6: Final answer
    x = 893.12

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Why These Related Problems?

These problems maintain the same ratio (2.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.