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Finding the Third Proportional to 4,987,830.75 and 10,721,570.25

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Solution

The third proportional to 4,987,830.75 and 10,721,570.25 is: 23,046,505.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987,830.75 : 10,721,570.25 = 10,721,570.25 : x
  2. Step 2: Convert to fraction form
    4,987,830.75/10,721,570.25 = 10,721,570.25/x
  3. Step 3: Cross multiply
    4,987,830.75x = 10,721,570.25 × 10,721,570.25
  4. Step 4: Simplify right side
    4,987,830.75x = 114,952,068,625,685.06
  5. Step 5: Solve for x
    x = 114,952,068,625,685.06/4,987,830.75
  6. Step 6: Final answer
    x = 23,046,505.46

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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.