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Finding the Third Proportional to 666,918 and 1,573,353

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Solution

The third proportional to 666,918 and 1,573,353 is: 3,711,760.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,918 : 1,573,353 = 1,573,353 : x
  2. Step 2: Convert to fraction form
    666,918/1,573,353 = 1,573,353/x
  3. Step 3: Cross multiply
    666,918x = 1,573,353 × 1,573,353
  4. Step 4: Simplify right side
    666,918x = 2,475,439,662,609
  5. Step 5: Solve for x
    x = 2,475,439,662,609/666,918
  6. Step 6: Final answer
    x = 3,711,760.16

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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.