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Finding the Third Proportional to 699,118 and 1,531,625

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Solution

The third proportional to 699,118 and 1,531,625 is: 3,355,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,118 : 1,531,625 = 1,531,625 : x
  2. Step 2: Convert to fraction form
    699,118/1,531,625 = 1,531,625/x
  3. Step 3: Cross multiply
    699,118x = 1,531,625 × 1,531,625
  4. Step 4: Simplify right side
    699,118x = 2,345,875,140,625
  5. Step 5: Solve for x
    x = 2,345,875,140,625/699,118
  6. Step 6: Final answer
    x = 3,355,478.10

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.