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Finding the Third Proportional to 693,416 and 1,491,808

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Solution

The third proportional to 693,416 and 1,491,808 is: 3,209,460.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,416 : 1,491,808 = 1,491,808 : x
  2. Step 2: Convert to fraction form
    693,416/1,491,808 = 1,491,808/x
  3. Step 3: Cross multiply
    693,416x = 1,491,808 × 1,491,808
  4. Step 4: Simplify right side
    693,416x = 2,225,491,108,864
  5. Step 5: Solve for x
    x = 2,225,491,108,864/693,416
  6. Step 6: Final answer
    x = 3,209,460.28

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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.