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Finding the Third Proportional to 540,819 and 848,347.50

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Solution

The third proportional to 540,819 and 848,347.50 is: 1,330,747.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,819 : 848,347.50 = 848,347.50 : x
  2. Step 2: Convert to fraction form
    540,819/848,347.50 = 848,347.50/x
  3. Step 3: Cross multiply
    540,819x = 848,347.50 × 848,347.50
  4. Step 4: Simplify right side
    540,819x = 719,693,480,756.25
  5. Step 5: Solve for x
    x = 719,693,480,756.25/540,819
  6. Step 6: Final answer
    x = 1,330,747.40

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.