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Finding the Third Proportional to 15,550,329 and 20,933,820

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Solution

The third proportional to 15,550,329 and 20,933,820 is: 28,181,064.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,550,329 : 20,933,820 = 20,933,820 : x
  2. Step 2: Convert to fraction form
    15,550,329/20,933,820 = 20,933,820/x
  3. Step 3: Cross multiply
    15,550,329x = 20,933,820 × 20,933,820
  4. Step 4: Simplify right side
    15,550,329x = 438,224,819,792,400
  5. Step 5: Solve for x
    x = 438,224,819,792,400/15,550,329
  6. Step 6: Final answer
    x = 28,181,064.19

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.