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Finding the Third Proportional to 8,436,181.50 and 12,598,990.63

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Solution

The third proportional to 8,436,181.50 and 12,598,990.63 is: 18,815,925.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436,181.50 : 12,598,990.63 = 12,598,990.63 : x
  2. Step 2: Convert to fraction form
    8,436,181.50/12,598,990.63 = 12,598,990.63/x
  3. Step 3: Cross multiply
    8,436,181.50x = 12,598,990.63 × 12,598,990.63
  4. Step 4: Simplify right side
    8,436,181.50x = 158,734,564,768,837.88
  5. Step 5: Solve for x
    x = 158,734,564,768,837.88/8,436,181.50
  6. Step 6: Final answer
    x = 18,815,925.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.