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Finding the Third Proportional to 702.42 and 1,505.46

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Solution

The third proportional to 702.42 and 1,505.46 is: 3,226.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    702.42 : 1,505.46 = 1,505.46 : x
  2. Step 2: Convert to fraction form
    702.42/1,505.46 = 1,505.46/x
  3. Step 3: Cross multiply
    702.42x = 1,505.46 × 1,505.46
  4. Step 4: Simplify right side
    702.42x = 2,266,412.63
  5. Step 5: Solve for x
    x = 2,266,412.63/702.42
  6. Step 6: Final answer
    x = 3,226.57

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.