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Finding the Third Proportional to 287,683,612 and 620,271,599

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Solution

The third proportional to 287,683,612 and 620,271,599 is: 1,337,361,046.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,683,612 : 620,271,599 = 620,271,599 : x
  2. Step 2: Convert to fraction form
    287,683,612/620,271,599 = 620,271,599/x
  3. Step 3: Cross multiply
    287,683,612x = 620,271,599 × 620,271,599
  4. Step 4: Simplify right side
    287,683,612x = 384,736,856,526,016,832
  5. Step 5: Solve for x
    x = 384,736,856,526,016,832/287,683,612
  6. Step 6: Final answer
    x = 1,337,361,046.92

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.