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Finding the Third Proportional to 28,753,274.53 and 61,890,937.31

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Solution

The third proportional to 28,753,274.53 and 61,890,937.31 is: 133,219,196.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,753,274.53 : 61,890,937.31 = 61,890,937.31 : x
  2. Step 2: Convert to fraction form
    28,753,274.53/61,890,937.31 = 61,890,937.31/x
  3. Step 3: Cross multiply
    28,753,274.53x = 61,890,937.31 × 61,890,937.31
  4. Step 4: Simplify right side
    28,753,274.53x = 3,830,488,121,419,804.50
  5. Step 5: Solve for x
    x = 3,830,488,121,419,804.50/28,753,274.53
  6. Step 6: Final answer
    x = 133,219,196.21

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.