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Finding the Third Proportional to 628,951.50 and 837,963

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Solution

The third proportional to 628,951.50 and 837,963 is: 1,116,432.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,951.50 : 837,963 = 837,963 : x
  2. Step 2: Convert to fraction form
    628,951.50/837,963 = 837,963/x
  3. Step 3: Cross multiply
    628,951.50x = 837,963 × 837,963
  4. Step 4: Simplify right side
    628,951.50x = 702,181,989,369
  5. Step 5: Solve for x
    x = 702,181,989,369/628,951.50
  6. Step 6: Final answer
    x = 1,116,432.65

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.