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Finding the Third Proportional to 5,215,219.50 and 8,068,412.25

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Solution

The third proportional to 5,215,219.50 and 8,068,412.25 is: 12,482,557.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,219.50 : 8,068,412.25 = 8,068,412.25 : x
  2. Step 2: Convert to fraction form
    5,215,219.50/8,068,412.25 = 8,068,412.25/x
  3. Step 3: Cross multiply
    5,215,219.50x = 8,068,412.25 × 8,068,412.25
  4. Step 4: Simplify right side
    5,215,219.50x = 65,099,276,235,950.06
  5. Step 5: Solve for x
    x = 65,099,276,235,950.06/5,215,219.50
  6. Step 6: Final answer
    x = 12,482,557.30

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1.5x scale

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.