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Finding the Third Proportional to 4,776.47 and 6,417.98

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Solution

The third proportional to 4,776.47 and 6,417.98 is: 8,623.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,776.47 : 6,417.98 = 6,417.98 : x
  2. Step 2: Convert to fraction form
    4,776.47/6,417.98 = 6,417.98/x
  3. Step 3: Cross multiply
    4,776.47x = 6,417.98 × 6,417.98
  4. Step 4: Simplify right side
    4,776.47x = 41,190,523.44
  5. Step 5: Solve for x
    x = 41,190,523.44/4,776.47
  6. Step 6: Final answer
    x = 8,623.64

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.