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Finding the Third Proportional to 124,562,921 and 291,035,198

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Solution

The third proportional to 124,562,921 and 291,035,198 is: 679,989,565.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,562,921 : 291,035,198 = 291,035,198 : x
  2. Step 2: Convert to fraction form
    124,562,921/291,035,198 = 291,035,198/x
  3. Step 3: Cross multiply
    124,562,921x = 291,035,198 × 291,035,198
  4. Step 4: Simplify right side
    124,562,921x = 84,701,486,474,899,200
  5. Step 5: Solve for x
    x = 84,701,486,474,899,200/124,562,921
  6. Step 6: Final answer
    x = 679,989,565.07

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.