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Finding the Third Proportional to 4,457.53 and 9,765.56

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Solution

The third proportional to 4,457.53 and 9,765.56 is: 21,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.53 : 9,765.56 = 9,765.56 : x
  2. Step 2: Convert to fraction form
    4,457.53/9,765.56 = 9,765.56/x
  3. Step 3: Cross multiply
    4,457.53x = 9,765.56 × 9,765.56
  4. Step 4: Simplify right side
    4,457.53x = 95,366,210.94
  5. Step 5: Solve for x
    x = 95,366,210.94/4,457.53
  6. Step 6: Final answer
    x = 21,394.40

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.