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Finding the Third Proportional to 20,004,621 and 31,812,300

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Solution

The third proportional to 20,004,621 and 31,812,300 is: 50,589,432.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004,621 : 31,812,300 = 31,812,300 : x
  2. Step 2: Convert to fraction form
    20,004,621/31,812,300 = 31,812,300/x
  3. Step 3: Cross multiply
    20,004,621x = 31,812,300 × 31,812,300
  4. Step 4: Simplify right side
    20,004,621x = 1,012,022,431,290,000
  5. Step 5: Solve for x
    x = 1,012,022,431,290,000/20,004,621
  6. Step 6: Final answer
    x = 50,589,432.88

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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.