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Finding the Third Proportional to 783,928 and 1,717,326

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Solution

The third proportional to 783,928 and 1,717,326 is: 3,762,091.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,928 : 1,717,326 = 1,717,326 : x
  2. Step 2: Convert to fraction form
    783,928/1,717,326 = 1,717,326/x
  3. Step 3: Cross multiply
    783,928x = 1,717,326 × 1,717,326
  4. Step 4: Simplify right side
    783,928x = 2,949,208,590,276
  5. Step 5: Solve for x
    x = 2,949,208,590,276/783,928
  6. Step 6: Final answer
    x = 3,762,091.15

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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.