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Finding the Third Proportional to 15,142,521 and 33,025,659.75

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Solution

The third proportional to 15,142,521 and 33,025,659.75 is: 72,028,574.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,142,521 : 33,025,659.75 = 33,025,659.75 : x
  2. Step 2: Convert to fraction form
    15,142,521/33,025,659.75 = 33,025,659.75/x
  3. Step 3: Cross multiply
    15,142,521x = 33,025,659.75 × 33,025,659.75
  4. Step 4: Simplify right side
    15,142,521x = 1,090,694,201,922,770
  5. Step 5: Solve for x
    x = 1,090,694,201,922,770/15,142,521
  6. Step 6: Final answer
    x = 72,028,574.50

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.