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Finding the Third Proportional to 4,295.75 and 9,421.75

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Solution

The third proportional to 4,295.75 and 9,421.75 is: 20,664.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,295.75 : 9,421.75 = 9,421.75 : x
  2. Step 2: Convert to fraction form
    4,295.75/9,421.75 = 9,421.75/x
  3. Step 3: Cross multiply
    4,295.75x = 9,421.75 × 9,421.75
  4. Step 4: Simplify right side
    4,295.75x = 88,769,373.06
  5. Step 5: Solve for x
    x = 88,769,373.06/4,295.75
  6. Step 6: Final answer
    x = 20,664.46

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1.5x scale

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.