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Finding the Third Proportional to 19,960,639 and 43,309,225

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Solution

The third proportional to 19,960,639 and 43,309,225 is: 93,969,384.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960,639 : 43,309,225 = 43,309,225 : x
  2. Step 2: Convert to fraction form
    19,960,639/43,309,225 = 43,309,225/x
  3. Step 3: Cross multiply
    19,960,639x = 43,309,225 × 43,309,225
  4. Step 4: Simplify right side
    19,960,639x = 1,875,688,970,100,625
  5. Step 5: Solve for x
    x = 1,875,688,970,100,625/19,960,639
  6. Step 6: Final answer
    x = 93,969,384.95

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.