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Finding the Third Proportional to 8,273,640,378 and 11,609,555,298

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Solution

The third proportional to 8,273,640,378 and 11,609,555,298 is: 16,290,504,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,273,640,378 : 11,609,555,298 = 11,609,555,298 : x
  2. Step 2: Convert to fraction form
    8,273,640,378/11,609,555,298 = 11,609,555,298/x
  3. Step 3: Cross multiply
    8,273,640,378x = 11,609,555,298 × 11,609,555,298
  4. Step 4: Simplify right side
    8,273,640,378x = 134,781,774,217,319,874,560
  5. Step 5: Solve for x
    x = 134,781,774,217,319,874,560/8,273,640,378
  6. Step 6: Final answer
    x = 16,290,504,307.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.