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Finding the Third Proportional to 790,640 and 1,701,358

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Solution

The third proportional to 790,640 and 1,701,358 is: 3,661,108.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,640 : 1,701,358 = 1,701,358 : x
  2. Step 2: Convert to fraction form
    790,640/1,701,358 = 1,701,358/x
  3. Step 3: Cross multiply
    790,640x = 1,701,358 × 1,701,358
  4. Step 4: Simplify right side
    790,640x = 2,894,619,044,164
  5. Step 5: Solve for x
    x = 2,894,619,044,164/790,640
  6. Step 6: Final answer
    x = 3,661,108.78

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.