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Finding the Third Proportional to 2,639,446 and 4,080,465

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Solution

The third proportional to 2,639,446 and 4,080,465 is: 6,308,215.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,446 : 4,080,465 = 4,080,465 : x
  2. Step 2: Convert to fraction form
    2,639,446/4,080,465 = 4,080,465/x
  3. Step 3: Cross multiply
    2,639,446x = 4,080,465 × 4,080,465
  4. Step 4: Simplify right side
    2,639,446x = 16,650,194,616,225
  5. Step 5: Solve for x
    x = 16,650,194,616,225/2,639,446
  6. Step 6: Final answer
    x = 6,308,215.67

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.