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Finding the Third Proportional to 18,046,120.50 and 38,968,645.50

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Solution

The third proportional to 18,046,120.50 and 38,968,645.50 is: 84,148,575.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,046,120.50 : 38,968,645.50 = 38,968,645.50 : x
  2. Step 2: Convert to fraction form
    18,046,120.50/38,968,645.50 = 38,968,645.50/x
  3. Step 3: Cross multiply
    18,046,120.50x = 38,968,645.50 × 38,968,645.50
  4. Step 4: Simplify right side
    18,046,120.50x = 1,518,555,332,104,670.25
  5. Step 5: Solve for x
    x = 1,518,555,332,104,670.25/18,046,120.50
  6. Step 6: Final answer
    x = 84,148,575.43

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.