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Finding the Third Proportional to 437.63 and 913.50

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Solution

The third proportional to 437.63 and 913.50 is: 1,906.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.63 : 913.50 = 913.50 : x
  2. Step 2: Convert to fraction form
    437.63/913.50 = 913.50/x
  3. Step 3: Cross multiply
    437.63x = 913.50 × 913.50
  4. Step 4: Simplify right side
    437.63x = 834,482.25
  5. Step 5: Solve for x
    x = 834,482.25/437.63
  6. Step 6: Final answer
    x = 1,906.84

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.