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Finding the Third Proportional to 4,210,856.50 and 9,261,329

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Solution

The third proportional to 4,210,856.50 and 9,261,329 is: 20,369,303.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210,856.50 : 9,261,329 = 9,261,329 : x
  2. Step 2: Convert to fraction form
    4,210,856.50/9,261,329 = 9,261,329/x
  3. Step 3: Cross multiply
    4,210,856.50x = 9,261,329 × 9,261,329
  4. Step 4: Simplify right side
    4,210,856.50x = 85,772,214,846,241
  5. Step 5: Solve for x
    x = 85,772,214,846,241/4,210,856.50
  6. Step 6: Final answer
    x = 20,369,303.69

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.