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Finding the Third Proportional to 765,383 and 1,668,550

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Solution

The third proportional to 765,383 and 1,668,550 is: 3,637,471.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,383 : 1,668,550 = 1,668,550 : x
  2. Step 2: Convert to fraction form
    765,383/1,668,550 = 1,668,550/x
  3. Step 3: Cross multiply
    765,383x = 1,668,550 × 1,668,550
  4. Step 4: Simplify right side
    765,383x = 2,784,059,102,500
  5. Step 5: Solve for x
    x = 2,784,059,102,500/765,383
  6. Step 6: Final answer
    x = 3,637,471.83

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.