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Finding the Third Proportional to 4,218.33 and 6,492.66

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Solution

The third proportional to 4,218.33 and 6,492.66 is: 9,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.33 : 6,492.66 = 6,492.66 : x
  2. Step 2: Convert to fraction form
    4,218.33/6,492.66 = 6,492.66/x
  3. Step 3: Cross multiply
    4,218.33x = 6,492.66 × 6,492.66
  4. Step 4: Simplify right side
    4,218.33x = 42,154,585.18
  5. Step 5: Solve for x
    x = 42,154,585.18/4,218.33
  6. Step 6: Final answer
    x = 9,993.20

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.