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Finding the Third Proportional to 770,176 and 1,717,438

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Solution

The third proportional to 770,176 and 1,717,438 is: 3,829,765.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,176 : 1,717,438 = 1,717,438 : x
  2. Step 2: Convert to fraction form
    770,176/1,717,438 = 1,717,438/x
  3. Step 3: Cross multiply
    770,176x = 1,717,438 × 1,717,438
  4. Step 4: Simplify right side
    770,176x = 2,949,593,283,844
  5. Step 5: Solve for x
    x = 2,949,593,283,844/770,176
  6. Step 6: Final answer
    x = 3,829,765.25

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.