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Finding the Third Proportional to 549,603 and 874,273

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Solution

The third proportional to 549,603 and 874,273 is: 1,390,737.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,603 : 874,273 = 874,273 : x
  2. Step 2: Convert to fraction form
    549,603/874,273 = 874,273/x
  3. Step 3: Cross multiply
    549,603x = 874,273 × 874,273
  4. Step 4: Simplify right side
    549,603x = 764,353,278,529
  5. Step 5: Solve for x
    x = 764,353,278,529/549,603
  6. Step 6: Final answer
    x = 1,390,737.09

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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.