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Finding the Third Proportional to 12,639,971.53 and 19,092,793.50

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Solution

The third proportional to 12,639,971.53 and 19,092,793.50 is: 28,839,840.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,639,971.53 : 19,092,793.50 = 19,092,793.50 : x
  2. Step 2: Convert to fraction form
    12,639,971.53/19,092,793.50 = 19,092,793.50/x
  3. Step 3: Cross multiply
    12,639,971.53x = 19,092,793.50 × 19,092,793.50
  4. Step 4: Simplify right side
    12,639,971.53x = 364,534,763,633,642.25
  5. Step 5: Solve for x
    x = 364,534,763,633,642.25/12,639,971.53
  6. Step 6: Final answer
    x = 28,839,840.56

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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.