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Finding the Third Proportional to 415,373,400 and 886,342,392

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Solution

The third proportional to 415,373,400 and 886,342,392 is: 1,891,317,151.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,373,400 : 886,342,392 = 886,342,392 : x
  2. Step 2: Convert to fraction form
    415,373,400/886,342,392 = 886,342,392/x
  3. Step 3: Cross multiply
    415,373,400x = 886,342,392 × 886,342,392
  4. Step 4: Simplify right side
    415,373,400x = 785,602,835,856,281,600
  5. Step 5: Solve for x
    x = 785,602,835,856,281,600/415,373,400
  6. Step 6: Final answer
    x = 1,891,317,151.88

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.