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Finding the Third Proportional to 668,417 and 1,097,270

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Solution

The third proportional to 668,417 and 1,097,270 is: 1,801,272.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,417 : 1,097,270 = 1,097,270 : x
  2. Step 2: Convert to fraction form
    668,417/1,097,270 = 1,097,270/x
  3. Step 3: Cross multiply
    668,417x = 1,097,270 × 1,097,270
  4. Step 4: Simplify right side
    668,417x = 1,204,001,452,900
  5. Step 5: Solve for x
    x = 1,204,001,452,900/668,417
  6. Step 6: Final answer
    x = 1,801,272.94

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.