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Finding the Third Proportional to 315,854,606.25 and 681,650,110.13

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Solution

The third proportional to 315,854,606.25 and 681,650,110.13 is: 1,471,078,348.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,854,606.25 : 681,650,110.13 = 681,650,110.13 : x
  2. Step 2: Convert to fraction form
    315,854,606.25/681,650,110.13 = 681,650,110.13/x
  3. Step 3: Cross multiply
    315,854,606.25x = 681,650,110.13 × 681,650,110.13
  4. Step 4: Simplify right side
    315,854,606.25x = 464,646,872,633,424,640
  5. Step 5: Solve for x
    x = 464,646,872,633,424,640/315,854,606.25
  6. Step 6: Final answer
    x = 1,471,078,348.83

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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.