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Finding the Third Proportional to 666,920 and 1,573,358

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Solution

The third proportional to 666,920 and 1,573,358 is: 3,711,772.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,920 : 1,573,358 = 1,573,358 : x
  2. Step 2: Convert to fraction form
    666,920/1,573,358 = 1,573,358/x
  3. Step 3: Cross multiply
    666,920x = 1,573,358 × 1,573,358
  4. Step 4: Simplify right side
    666,920x = 2,475,455,396,164
  5. Step 5: Solve for x
    x = 2,475,455,396,164/666,920
  6. Step 6: Final answer
    x = 3,711,772.62

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.