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Finding the Third Proportional to 1,377,492.75 and 2,979,375.75

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Solution

The third proportional to 1,377,492.75 and 2,979,375.75 is: 6,444,084.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,492.75 : 2,979,375.75 = 2,979,375.75 : x
  2. Step 2: Convert to fraction form
    1,377,492.75/2,979,375.75 = 2,979,375.75/x
  3. Step 3: Cross multiply
    1,377,492.75x = 2,979,375.75 × 2,979,375.75
  4. Step 4: Simplify right side
    1,377,492.75x = 8,876,679,859,688.06
  5. Step 5: Solve for x
    x = 8,876,679,859,688.06/1,377,492.75
  6. Step 6: Final answer
    x = 6,444,084.63

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.