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Finding the Third Proportional to 4,543.88 and 9,783.56

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Solution

The third proportional to 4,543.88 and 9,783.56 is: 21,065.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,543.88 : 9,783.56 = 9,783.56 : x
  2. Step 2: Convert to fraction form
    4,543.88/9,783.56 = 9,783.56/x
  3. Step 3: Cross multiply
    4,543.88x = 9,783.56 × 9,783.56
  4. Step 4: Simplify right side
    4,543.88x = 95,718,095.19
  5. Step 5: Solve for x
    x = 95,718,095.19/4,543.88
  6. Step 6: Final answer
    x = 21,065.30

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.