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Finding the Third Proportional to 272,853 and 589,158

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Solution

The third proportional to 272,853 and 589,158 is: 1,272,139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,853 : 589,158 = 589,158 : x
  2. Step 2: Convert to fraction form
    272,853/589,158 = 589,158/x
  3. Step 3: Cross multiply
    272,853x = 589,158 × 589,158
  4. Step 4: Simplify right side
    272,853x = 347,107,148,964
  5. Step 5: Solve for x
    x = 347,107,148,964/272,853
  6. Step 6: Final answer
    x = 1,272,139.76

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.