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Finding the Third Proportional to 7,139,721 and 10,876,925

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Solution

The third proportional to 7,139,721 and 10,876,925 is: 16,570,325.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,721 : 10,876,925 = 10,876,925 : x
  2. Step 2: Convert to fraction form
    7,139,721/10,876,925 = 10,876,925/x
  3. Step 3: Cross multiply
    7,139,721x = 10,876,925 × 10,876,925
  4. Step 4: Simplify right side
    7,139,721x = 118,307,497,455,625
  5. Step 5: Solve for x
    x = 118,307,497,455,625/7,139,721
  6. Step 6: Final answer
    x = 16,570,325.01

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.