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Finding the Third Proportional to 4,829.63 and 7,658.30

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Solution

The third proportional to 4,829.63 and 7,658.30 is: 12,143.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,829.63 : 7,658.30 = 7,658.30 : x
  2. Step 2: Convert to fraction form
    4,829.63/7,658.30 = 7,658.30/x
  3. Step 3: Cross multiply
    4,829.63x = 7,658.30 × 7,658.30
  4. Step 4: Simplify right side
    4,829.63x = 58,649,511.03
  5. Step 5: Solve for x
    x = 58,649,511.03/4,829.63
  6. Step 6: Final answer
    x = 12,143.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.