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Finding the Third Proportional to 16,788,636 and 36,145,818

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Solution

The third proportional to 16,788,636 and 36,145,818 is: 77,821,697.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,788,636 : 36,145,818 = 36,145,818 : x
  2. Step 2: Convert to fraction form
    16,788,636/36,145,818 = 36,145,818/x
  3. Step 3: Cross multiply
    16,788,636x = 36,145,818 × 36,145,818
  4. Step 4: Simplify right side
    16,788,636x = 1,306,520,158,889,124
  5. Step 5: Solve for x
    x = 1,306,520,158,889,124/16,788,636
  6. Step 6: Final answer
    x = 77,821,697.90

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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.