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Finding the Third Proportional to 19,240,992 and 40,074,120

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Solution

The third proportional to 19,240,992 and 40,074,120 is: 83,464,256.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,240,992 : 40,074,120 = 40,074,120 : x
  2. Step 2: Convert to fraction form
    19,240,992/40,074,120 = 40,074,120/x
  3. Step 3: Cross multiply
    19,240,992x = 40,074,120 × 40,074,120
  4. Step 4: Simplify right side
    19,240,992x = 1,605,935,093,774,400
  5. Step 5: Solve for x
    x = 1,605,935,093,774,400/19,240,992
  6. Step 6: Final answer
    x = 83,464,256.61

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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.