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Finding the Third Proportional to 357,490,035 and 769,759,978

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Solution

The third proportional to 357,490,035 and 769,759,978 is: 1,657,473,959.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,490,035 : 769,759,978 = 769,759,978 : x
  2. Step 2: Convert to fraction form
    357,490,035/769,759,978 = 769,759,978/x
  3. Step 3: Cross multiply
    357,490,035x = 769,759,978 × 769,759,978
  4. Step 4: Simplify right side
    357,490,035x = 592,530,423,730,560,512
  5. Step 5: Solve for x
    x = 592,530,423,730,560,512/357,490,035
  6. Step 6: Final answer
    x = 1,657,473,959.32

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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.