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Finding the Third Proportional to 91,804 and 201,080

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Solution

The third proportional to 91,804 and 201,080 is: 440,429.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,804 : 201,080 = 201,080 : x
  2. Step 2: Convert to fraction form
    91,804/201,080 = 201,080/x
  3. Step 3: Cross multiply
    91,804x = 201,080 × 201,080
  4. Step 4: Simplify right side
    91,804x = 40,433,166,400
  5. Step 5: Solve for x
    x = 40,433,166,400/91,804
  6. Step 6: Final answer
    x = 440,429.24

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.