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Finding the Third Proportional to 4,748.63 and 9,309.94

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Solution

The third proportional to 4,748.63 and 9,309.94 is: 18,252.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.63 : 9,309.94 = 9,309.94 : x
  2. Step 2: Convert to fraction form
    4,748.63/9,309.94 = 9,309.94/x
  3. Step 3: Cross multiply
    4,748.63x = 9,309.94 × 9,309.94
  4. Step 4: Simplify right side
    4,748.63x = 86,674,936.25
  5. Step 5: Solve for x
    x = 86,674,936.25/4,748.63
  6. Step 6: Final answer
    x = 18,252.64

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Why These Related Problems?

These problems maintain the same ratio (1.96) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.