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Finding the Third Proportional to 1,273,832 and 1,988,265

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Solution

The third proportional to 1,273,832 and 1,988,265 is: 3,103,390.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,832 : 1,988,265 = 1,988,265 : x
  2. Step 2: Convert to fraction form
    1,273,832/1,988,265 = 1,988,265/x
  3. Step 3: Cross multiply
    1,273,832x = 1,988,265 × 1,988,265
  4. Step 4: Simplify right side
    1,273,832x = 3,953,197,710,225
  5. Step 5: Solve for x
    x = 3,953,197,710,225/1,273,832
  6. Step 6: Final answer
    x = 3,103,390.17

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.