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Finding the Third Proportional to 28,873,971 and 64,203,682

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Solution

The third proportional to 28,873,971 and 64,203,682 is: 142,762,240.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,873,971 : 64,203,682 = 64,203,682 : x
  2. Step 2: Convert to fraction form
    28,873,971/64,203,682 = 64,203,682/x
  3. Step 3: Cross multiply
    28,873,971x = 64,203,682 × 64,203,682
  4. Step 4: Simplify right side
    28,873,971x = 4,122,112,782,357,124
  5. Step 5: Solve for x
    x = 4,122,112,782,357,124/28,873,971
  6. Step 6: Final answer
    x = 142,762,240.16

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.