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Finding the Third Proportional to 7,768,629 and 11,760,862.50

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Solution

The third proportional to 7,768,629 and 11,760,862.50 is: 17,804,671.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768,629 : 11,760,862.50 = 11,760,862.50 : x
  2. Step 2: Convert to fraction form
    7,768,629/11,760,862.50 = 11,760,862.50/x
  3. Step 3: Cross multiply
    7,768,629x = 11,760,862.50 × 11,760,862.50
  4. Step 4: Simplify right side
    7,768,629x = 138,317,886,743,906.25
  5. Step 5: Solve for x
    x = 138,317,886,743,906.25/7,768,629
  6. Step 6: Final answer
    x = 17,804,671.42

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.