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Finding the Third Proportional to 129,270,552 and 276,457,007

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Solution

The third proportional to 129,270,552 and 276,457,007 is: 591,228,826.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,270,552 : 276,457,007 = 276,457,007 : x
  2. Step 2: Convert to fraction form
    129,270,552/276,457,007 = 276,457,007/x
  3. Step 3: Cross multiply
    129,270,552x = 276,457,007 × 276,457,007
  4. Step 4: Simplify right side
    129,270,552x = 76,428,476,719,398,048
  5. Step 5: Solve for x
    x = 76,428,476,719,398,048/129,270,552
  6. Step 6: Final answer
    x = 591,228,826.19

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.