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Finding the Third Proportional to 318,029,176 and 672,726,684

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Solution

The third proportional to 318,029,176 and 672,726,684 is: 1,423,017,840.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,029,176 : 672,726,684 = 672,726,684 : x
  2. Step 2: Convert to fraction form
    318,029,176/672,726,684 = 672,726,684/x
  3. Step 3: Cross multiply
    318,029,176x = 672,726,684 × 672,726,684
  4. Step 4: Simplify right side
    318,029,176x = 452,561,191,365,635,840
  5. Step 5: Solve for x
    x = 452,561,191,365,635,840/318,029,176
  6. Step 6: Final answer
    x = 1,423,017,840.87

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.