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Finding the Third Proportional to 111,969,585 and 245,462,517

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Solution

The third proportional to 111,969,585 and 245,462,517 is: 538,109,052.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,969,585 : 245,462,517 = 245,462,517 : x
  2. Step 2: Convert to fraction form
    111,969,585/245,462,517 = 245,462,517/x
  3. Step 3: Cross multiply
    111,969,585x = 245,462,517 × 245,462,517
  4. Step 4: Simplify right side
    111,969,585x = 60,251,847,251,975,288
  5. Step 5: Solve for x
    x = 60,251,847,251,975,288/111,969,585
  6. Step 6: Final answer
    x = 538,109,052.13

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.