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Finding the Third Proportional to 80,821,088 and 143,690,560

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Solution

The third proportional to 80,821,088 and 143,690,560 is: 255,465,220.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,821,088 : 143,690,560 = 143,690,560 : x
  2. Step 2: Convert to fraction form
    80,821,088/143,690,560 = 143,690,560/x
  3. Step 3: Cross multiply
    80,821,088x = 143,690,560 × 143,690,560
  4. Step 4: Simplify right side
    80,821,088x = 20,646,977,033,113,600
  5. Step 5: Solve for x
    x = 20,646,977,033,113,600/80,821,088
  6. Step 6: Final answer
    x = 255,465,220.08

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.