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Finding the Third Proportional to 30,255.75 and 47,000.25

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Solution

The third proportional to 30,255.75 and 47,000.25 is: 73,011.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,255.75 : 47,000.25 = 47,000.25 : x
  2. Step 2: Convert to fraction form
    30,255.75/47,000.25 = 47,000.25/x
  3. Step 3: Cross multiply
    30,255.75x = 47,000.25 × 47,000.25
  4. Step 4: Simplify right side
    30,255.75x = 2,209,023,500.06
  5. Step 5: Solve for x
    x = 2,209,023,500.06/30,255.75
  6. Step 6: Final answer
    x = 73,011.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.