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Finding the Third Proportional to 667,807.50 and 934,156.50

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Solution

The third proportional to 667,807.50 and 934,156.50 is: 1,306,736.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,807.50 : 934,156.50 = 934,156.50 : x
  2. Step 2: Convert to fraction form
    667,807.50/934,156.50 = 934,156.50/x
  3. Step 3: Cross multiply
    667,807.50x = 934,156.50 × 934,156.50
  4. Step 4: Simplify right side
    667,807.50x = 872,648,366,492.25
  5. Step 5: Solve for x
    x = 872,648,366,492.25/667,807.50
  6. Step 6: Final answer
    x = 1,306,736.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.