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Finding the Third Proportional to 455,557 and 996,914

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Solution

The third proportional to 455,557 and 996,914 is: 2,181,587.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,557 : 996,914 = 996,914 : x
  2. Step 2: Convert to fraction form
    455,557/996,914 = 996,914/x
  3. Step 3: Cross multiply
    455,557x = 996,914 × 996,914
  4. Step 4: Simplify right side
    455,557x = 993,837,523,396
  5. Step 5: Solve for x
    x = 993,837,523,396/455,557
  6. Step 6: Final answer
    x = 2,181,587.65

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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.