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Finding the Third Proportional to 84,340,656 and 127,409,610

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Solution

The third proportional to 84,340,656 and 127,409,610 is: 192,471,928.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,340,656 : 127,409,610 = 127,409,610 : x
  2. Step 2: Convert to fraction form
    84,340,656/127,409,610 = 127,409,610/x
  3. Step 3: Cross multiply
    84,340,656x = 127,409,610 × 127,409,610
  4. Step 4: Simplify right side
    84,340,656x = 16,233,208,720,352,100
  5. Step 5: Solve for x
    x = 16,233,208,720,352,100/84,340,656
  6. Step 6: Final answer
    x = 192,471,928.61

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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.