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Finding the Third Proportional to 245,190 and 527,910

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Solution

The third proportional to 245,190 and 527,910 is: 1,136,624.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,190 : 527,910 = 527,910 : x
  2. Step 2: Convert to fraction form
    245,190/527,910 = 527,910/x
  3. Step 3: Cross multiply
    245,190x = 527,910 × 527,910
  4. Step 4: Simplify right side
    245,190x = 278,688,968,100
  5. Step 5: Solve for x
    x = 278,688,968,100/245,190
  6. Step 6: Final answer
    x = 1,136,624.53

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.