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Finding the Third Proportional to 119,163,339 and 256,586,646.38

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Solution

The third proportional to 119,163,339 and 256,586,646.38 is: 552,491,291.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,163,339 : 256,586,646.38 = 256,586,646.38 : x
  2. Step 2: Convert to fraction form
    119,163,339/256,586,646.38 = 256,586,646.38/x
  3. Step 3: Cross multiply
    119,163,339x = 256,586,646.38 × 256,586,646.38
  4. Step 4: Simplify right side
    119,163,339x = 65,836,707,097,969,304
  5. Step 5: Solve for x
    x = 65,836,707,097,969,304/119,163,339
  6. Step 6: Final answer
    x = 552,491,291.79

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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.