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Finding the Third Proportional to 16,848,290 and 36,386,420

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Solution

The third proportional to 16,848,290 and 36,386,420 is: 78,581,954.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,848,290 : 36,386,420 = 36,386,420 : x
  2. Step 2: Convert to fraction form
    16,848,290/36,386,420 = 36,386,420/x
  3. Step 3: Cross multiply
    16,848,290x = 36,386,420 × 36,386,420
  4. Step 4: Simplify right side
    16,848,290x = 1,323,971,560,416,400
  5. Step 5: Solve for x
    x = 1,323,971,560,416,400/16,848,290
  6. Step 6: Final answer
    x = 78,581,954.63

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.