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Finding the Third Proportional to 4,300 and 9,910

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Solution

The third proportional to 4,300 and 9,910 is: 22,839.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,300 : 9,910 = 9,910 : x
  2. Step 2: Convert to fraction form
    4,300/9,910 = 9,910/x
  3. Step 3: Cross multiply
    4,300x = 9,910 × 9,910
  4. Step 4: Simplify right side
    4,300x = 98,208,100
  5. Step 5: Solve for x
    x = 98,208,100/4,300
  6. Step 6: Final answer
    x = 22,839.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.