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Finding the Third Proportional to 207,610,808 and 291,990,711

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Solution

The third proportional to 207,610,808 and 291,990,711 is: 410,665,399.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,610,808 : 291,990,711 = 291,990,711 : x
  2. Step 2: Convert to fraction form
    207,610,808/291,990,711 = 291,990,711/x
  3. Step 3: Cross multiply
    207,610,808x = 291,990,711 × 291,990,711
  4. Step 4: Simplify right side
    207,610,808x = 85,258,575,310,285,520
  5. Step 5: Solve for x
    x = 85,258,575,310,285,520/207,610,808
  6. Step 6: Final answer
    x = 410,665,399.03

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.