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Finding the Third Proportional to 118,668,638.25 and 246,432,280.50

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Solution

The third proportional to 118,668,638.25 and 246,432,280.50 is: 511,751,628.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,668,638.25 : 246,432,280.50 = 246,432,280.50 : x
  2. Step 2: Convert to fraction form
    118,668,638.25/246,432,280.50 = 246,432,280.50/x
  3. Step 3: Cross multiply
    118,668,638.25x = 246,432,280.50 × 246,432,280.50
  4. Step 4: Simplify right side
    118,668,638.25x = 60,728,868,872,430,680
  5. Step 5: Solve for x
    x = 60,728,868,872,430,680/118,668,638.25
  6. Step 6: Final answer
    x = 511,751,628.47

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.