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Finding the Third Proportional to 61,435,280.25 and 131,987,846.25

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Solution

The third proportional to 61,435,280.25 and 131,987,846.25 is: 283,563,312.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,435,280.25 : 131,987,846.25 = 131,987,846.25 : x
  2. Step 2: Convert to fraction form
    61,435,280.25/131,987,846.25 = 131,987,846.25/x
  3. Step 3: Cross multiply
    61,435,280.25x = 131,987,846.25 × 131,987,846.25
  4. Step 4: Simplify right side
    61,435,280.25x = 17,420,791,557,713,640
  5. Step 5: Solve for x
    x = 17,420,791,557,713,640/61,435,280.25
  6. Step 6: Final answer
    x = 283,563,312.27

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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.