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Finding the Third Proportional to 28,873,972.50 and 64,203,685.50

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Solution

The third proportional to 28,873,972.50 and 64,203,685.50 is: 142,762,248.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,873,972.50 : 64,203,685.50 = 64,203,685.50 : x
  2. Step 2: Convert to fraction form
    28,873,972.50/64,203,685.50 = 64,203,685.50/x
  3. Step 3: Cross multiply
    28,873,972.50x = 64,203,685.50 × 64,203,685.50
  4. Step 4: Simplify right side
    28,873,972.50x = 4,122,113,231,782,910
  5. Step 5: Solve for x
    x = 4,122,113,231,782,910/28,873,972.50
  6. Step 6: Final answer
    x = 142,762,248.31

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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.