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Finding the Third Proportional to 7,342,690 and 15,905,508

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Solution

The third proportional to 7,342,690 and 15,905,508 is: 34,454,019.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342,690 : 15,905,508 = 15,905,508 : x
  2. Step 2: Convert to fraction form
    7,342,690/15,905,508 = 15,905,508/x
  3. Step 3: Cross multiply
    7,342,690x = 15,905,508 × 15,905,508
  4. Step 4: Simplify right side
    7,342,690x = 252,985,184,738,064
  5. Step 5: Solve for x
    x = 252,985,184,738,064/7,342,690
  6. Step 6: Final answer
    x = 34,454,019.54

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.