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Finding the Third Proportional to 920,880 and 1,999,248

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Solution

The third proportional to 920,880 and 1,999,248 is: 4,340,405.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,880 : 1,999,248 = 1,999,248 : x
  2. Step 2: Convert to fraction form
    920,880/1,999,248 = 1,999,248/x
  3. Step 3: Cross multiply
    920,880x = 1,999,248 × 1,999,248
  4. Step 4: Simplify right side
    920,880x = 3,996,992,565,504
  5. Step 5: Solve for x
    x = 3,996,992,565,504/920,880
  6. Step 6: Final answer
    x = 4,340,405.44

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.