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Finding the Third Proportional to 3,191,516 and 4,790,557

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Solution

The third proportional to 3,191,516 and 4,790,557 is: 7,190,763.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191,516 : 4,790,557 = 4,790,557 : x
  2. Step 2: Convert to fraction form
    3,191,516/4,790,557 = 4,790,557/x
  3. Step 3: Cross multiply
    3,191,516x = 4,790,557 × 4,790,557
  4. Step 4: Simplify right side
    3,191,516x = 22,949,436,370,249
  5. Step 5: Solve for x
    x = 22,949,436,370,249/3,191,516
  6. Step 6: Final answer
    x = 7,190,763.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.