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Finding the Third Proportional to 4,368.30 and 6,776.79

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Solution

The third proportional to 4,368.30 and 6,776.79 is: 10,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,368.30 : 6,776.79 = 6,776.79 : x
  2. Step 2: Convert to fraction form
    4,368.30/6,776.79 = 6,776.79/x
  3. Step 3: Cross multiply
    4,368.30x = 6,776.79 × 6,776.79
  4. Step 4: Simplify right side
    4,368.30x = 45,924,870.00
  5. Step 5: Solve for x
    x = 45,924,870.00/4,368.30
  6. Step 6: Final answer
    x = 10,513.20

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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.