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Finding the Third Proportional to 550,079.50 and 875,285

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Solution

The third proportional to 550,079.50 and 875,285 is: 1,392,751.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,079.50 : 875,285 = 875,285 : x
  2. Step 2: Convert to fraction form
    550,079.50/875,285 = 875,285/x
  3. Step 3: Cross multiply
    550,079.50x = 875,285 × 875,285
  4. Step 4: Simplify right side
    550,079.50x = 766,123,831,225
  5. Step 5: Solve for x
    x = 766,123,831,225/550,079.50
  6. Step 6: Final answer
    x = 1,392,751.10

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.