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Finding the Third Proportional to 717,314 and 1,553,380

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Solution

The third proportional to 717,314 and 1,553,380 is: 3,363,923.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,314 : 1,553,380 = 1,553,380 : x
  2. Step 2: Convert to fraction form
    717,314/1,553,380 = 1,553,380/x
  3. Step 3: Cross multiply
    717,314x = 1,553,380 × 1,553,380
  4. Step 4: Simplify right side
    717,314x = 2,412,989,424,400
  5. Step 5: Solve for x
    x = 2,412,989,424,400/717,314
  6. Step 6: Final answer
    x = 3,363,923.50

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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.