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Finding the Third Proportional to 247,488,056 and 515,302,899

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Solution

The third proportional to 247,488,056 and 515,302,899 is: 1,072,928,859.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,488,056 : 515,302,899 = 515,302,899 : x
  2. Step 2: Convert to fraction form
    247,488,056/515,302,899 = 515,302,899/x
  3. Step 3: Cross multiply
    247,488,056x = 515,302,899 × 515,302,899
  4. Step 4: Simplify right side
    247,488,056x = 265,537,077,717,804,192
  5. Step 5: Solve for x
    x = 265,537,077,717,804,192/247,488,056
  6. Step 6: Final answer
    x = 1,072,928,859.72

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.