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Finding the Third Proportional to 7,211,937,977 and 15,665,370,477

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Solution

The third proportional to 7,211,937,977 and 15,665,370,477 is: 34,027,446,293.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211,937,977 : 15,665,370,477 = 15,665,370,477 : x
  2. Step 2: Convert to fraction form
    7,211,937,977/15,665,370,477 = 15,665,370,477/x
  3. Step 3: Cross multiply
    7,211,937,977x = 15,665,370,477 × 15,665,370,477
  4. Step 4: Simplify right side
    7,211,937,977x = 245,403,832,181,663,203,328
  5. Step 5: Solve for x
    x = 245,403,832,181,663,203,328/7,211,937,977
  6. Step 6: Final answer
    x = 34,027,446,293.12

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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.