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Finding the Third Proportional to 375,840 and 791,028

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Solution

The third proportional to 375,840 and 791,028 is: 1,664,871.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,840 : 791,028 = 791,028 : x
  2. Step 2: Convert to fraction form
    375,840/791,028 = 791,028/x
  3. Step 3: Cross multiply
    375,840x = 791,028 × 791,028
  4. Step 4: Simplify right side
    375,840x = 625,725,296,784
  5. Step 5: Solve for x
    x = 625,725,296,784/375,840
  6. Step 6: Final answer
    x = 1,664,871.48

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.