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Finding the Third Proportional to 699,723 and 1,113,939

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Solution

The third proportional to 699,723 and 1,113,939 is: 1,773,359.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,723 : 1,113,939 = 1,113,939 : x
  2. Step 2: Convert to fraction form
    699,723/1,113,939 = 1,113,939/x
  3. Step 3: Cross multiply
    699,723x = 1,113,939 × 1,113,939
  4. Step 4: Simplify right side
    699,723x = 1,240,860,095,721
  5. Step 5: Solve for x
    x = 1,240,860,095,721/699,723
  6. Step 6: Final answer
    x = 1,773,359.02

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.