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Finding the Third Proportional to 9,085 and 19,813

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Solution

The third proportional to 9,085 and 19,813 is: 43,209.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,085 : 19,813 = 19,813 : x
  2. Step 2: Convert to fraction form
    9,085/19,813 = 19,813/x
  3. Step 3: Cross multiply
    9,085x = 19,813 × 19,813
  4. Step 4: Simplify right side
    9,085x = 392,554,969
  5. Step 5: Solve for x
    x = 392,554,969/9,085
  6. Step 6: Final answer
    x = 43,209.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.