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Finding the Third Proportional to 15,779.81 and 24,618.94

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Solution

The third proportional to 15,779.81 and 24,618.94 is: 38,409.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779.81 : 24,618.94 = 24,618.94 : x
  2. Step 2: Convert to fraction form
    15,779.81/24,618.94 = 24,618.94/x
  3. Step 3: Cross multiply
    15,779.81x = 24,618.94 × 24,618.94
  4. Step 4: Simplify right side
    15,779.81x = 606,092,083.63
  5. Step 5: Solve for x
    x = 606,092,083.63/15,779.81
  6. Step 6: Final answer
    x = 38,409.33

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.