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Finding the Third Proportional to 395,020 and 875,453

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Solution

The third proportional to 395,020 and 875,453 is: 1,940,200.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,020 : 875,453 = 875,453 : x
  2. Step 2: Convert to fraction form
    395,020/875,453 = 875,453/x
  3. Step 3: Cross multiply
    395,020x = 875,453 × 875,453
  4. Step 4: Simplify right side
    395,020x = 766,417,955,209
  5. Step 5: Solve for x
    x = 766,417,955,209/395,020
  6. Step 6: Final answer
    x = 1,940,200.38

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.