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Finding the Third Proportional to 520,141 and 1,135,538

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Solution

The third proportional to 520,141 and 1,135,538 is: 2,479,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,141 : 1,135,538 = 1,135,538 : x
  2. Step 2: Convert to fraction form
    520,141/1,135,538 = 1,135,538/x
  3. Step 3: Cross multiply
    520,141x = 1,135,538 × 1,135,538
  4. Step 4: Simplify right side
    520,141x = 1,289,446,549,444
  5. Step 5: Solve for x
    x = 1,289,446,549,444/520,141
  6. Step 6: Final answer
    x = 2,479,032.70

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.