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Finding the Third Proportional to 1,059,417,910 and 2,280,747,090

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Solution

The third proportional to 1,059,417,910 and 2,280,747,090 is: 4,910,061,685.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,417,910 : 2,280,747,090 = 2,280,747,090 : x
  2. Step 2: Convert to fraction form
    1,059,417,910/2,280,747,090 = 2,280,747,090/x
  3. Step 3: Cross multiply
    1,059,417,910x = 2,280,747,090 × 2,280,747,090
  4. Step 4: Simplify right side
    1,059,417,910x = 5,201,807,288,543,468,544
  5. Step 5: Solve for x
    x = 5,201,807,288,543,468,544/1,059,417,910
  6. Step 6: Final answer
    x = 4,910,061,685.24

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.