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Finding the Third Proportional to 15,556 and 24,740

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Solution

The third proportional to 15,556 and 24,740 is: 39,346.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,556 : 24,740 = 24,740 : x
  2. Step 2: Convert to fraction form
    15,556/24,740 = 24,740/x
  3. Step 3: Cross multiply
    15,556x = 24,740 × 24,740
  4. Step 4: Simplify right side
    15,556x = 612,067,600
  5. Step 5: Solve for x
    x = 612,067,600/15,556
  6. Step 6: Final answer
    x = 39,346.08

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.