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Finding the Third Proportional to 549,656 and 874,356

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Solution

The third proportional to 549,656 and 874,356 is: 1,390,867.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,656 : 874,356 = 874,356 : x
  2. Step 2: Convert to fraction form
    549,656/874,356 = 874,356/x
  3. Step 3: Cross multiply
    549,656x = 874,356 × 874,356
  4. Step 4: Simplify right side
    549,656x = 764,498,414,736
  5. Step 5: Solve for x
    x = 764,498,414,736/549,656
  6. Step 6: Final answer
    x = 1,390,867.04

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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.