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Finding the Third Proportional to 28,873,969 and 64,203,678

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Solution

The third proportional to 28,873,969 and 64,203,678 is: 142,762,232.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,873,969 : 64,203,678 = 64,203,678 : x
  2. Step 2: Convert to fraction form
    28,873,969/64,203,678 = 64,203,678/x
  3. Step 3: Cross multiply
    28,873,969x = 64,203,678 × 64,203,678
  4. Step 4: Simplify right side
    28,873,969x = 4,122,112,268,727,684
  5. Step 5: Solve for x
    x = 4,122,112,268,727,684/28,873,969
  6. Step 6: Final answer
    x = 142,762,232.26

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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.