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Finding the Third Proportional to 445.13 and 737.06

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Solution

The third proportional to 445.13 and 737.06 is: 1,220.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    445.13 : 737.06 = 737.06 : x
  2. Step 2: Convert to fraction form
    445.13/737.06 = 737.06/x
  3. Step 3: Cross multiply
    445.13x = 737.06 × 737.06
  4. Step 4: Simplify right side
    445.13x = 543,261.13
  5. Step 5: Solve for x
    x = 543,261.13/445.13
  6. Step 6: Final answer
    x = 1,220.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.