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Finding the Third Proportional to 638,898,176 and 955,793,280

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Solution

The third proportional to 638,898,176 and 955,793,280 is: 1,429,869,153.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,898,176 : 955,793,280 = 955,793,280 : x
  2. Step 2: Convert to fraction form
    638,898,176/955,793,280 = 955,793,280/x
  3. Step 3: Cross multiply
    638,898,176x = 955,793,280 × 955,793,280
  4. Step 4: Simplify right side
    638,898,176x = 913,540,794,093,158,400
  5. Step 5: Solve for x
    x = 913,540,794,093,158,400/638,898,176
  6. Step 6: Final answer
    x = 1,429,869,153.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.