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Finding the Third Proportional to 666,970.50 and 998,625

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Solution

The third proportional to 666,970.50 and 998,625 is: 1,495,196.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,970.50 : 998,625 = 998,625 : x
  2. Step 2: Convert to fraction form
    666,970.50/998,625 = 998,625/x
  3. Step 3: Cross multiply
    666,970.50x = 998,625 × 998,625
  4. Step 4: Simplify right side
    666,970.50x = 997,251,890,625
  5. Step 5: Solve for x
    x = 997,251,890,625/666,970.50
  6. Step 6: Final answer
    x = 1,495,196.40

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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.