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Finding the Third Proportional to 271,673,979.75 and 423,653,487.75

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Solution

The third proportional to 271,673,979.75 and 423,653,487.75 is: 660,653,176.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,673,979.75 : 423,653,487.75 = 423,653,487.75 : x
  2. Step 2: Convert to fraction form
    271,673,979.75/423,653,487.75 = 423,653,487.75/x
  3. Step 3: Cross multiply
    271,673,979.75x = 423,653,487.75 × 423,653,487.75
  4. Step 4: Simplify right side
    271,673,979.75x = 179,482,277,682,739,392
  5. Step 5: Solve for x
    x = 179,482,277,682,739,392/271,673,979.75
  6. Step 6: Final answer
    x = 660,653,176.46

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.