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Finding the Third Proportional to 549,318 and 848,865

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Solution

The third proportional to 549,318 and 848,865 is: 1,311,757.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,318 : 848,865 = 848,865 : x
  2. Step 2: Convert to fraction form
    549,318/848,865 = 848,865/x
  3. Step 3: Cross multiply
    549,318x = 848,865 × 848,865
  4. Step 4: Simplify right side
    549,318x = 720,571,788,225
  5. Step 5: Solve for x
    x = 720,571,788,225/549,318
  6. Step 6: Final answer
    x = 1,311,757.10

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.