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Finding the Third Proportional to 4,779.38 and 10,291.13

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Solution

The third proportional to 4,779.38 and 10,291.13 is: 22,159.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.38 : 10,291.13 = 10,291.13 : x
  2. Step 2: Convert to fraction form
    4,779.38/10,291.13 = 10,291.13/x
  3. Step 3: Cross multiply
    4,779.38x = 10,291.13 × 10,291.13
  4. Step 4: Simplify right side
    4,779.38x = 105,907,253.77
  5. Step 5: Solve for x
    x = 105,907,253.77/4,779.38
  6. Step 6: Final answer
    x = 22,159.23

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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.