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Finding the Third Proportional to 17,963,729.50 and 28,142,967.75

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Solution

The third proportional to 17,963,729.50 and 28,142,967.75 is: 44,090,322.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,963,729.50 : 28,142,967.75 = 28,142,967.75 : x
  2. Step 2: Convert to fraction form
    17,963,729.50/28,142,967.75 = 28,142,967.75/x
  3. Step 3: Cross multiply
    17,963,729.50x = 28,142,967.75 × 28,142,967.75
  4. Step 4: Simplify right side
    17,963,729.50x = 792,026,633,777,540
  5. Step 5: Solve for x
    x = 792,026,633,777,540/17,963,729.50
  6. Step 6: Final answer
    x = 44,090,322.88

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.