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Finding the Third Proportional to 9,311,315 and 20,045,686

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Solution

The third proportional to 9,311,315 and 20,045,686 is: 43,154,970.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,311,315 : 20,045,686 = 20,045,686 : x
  2. Step 2: Convert to fraction form
    9,311,315/20,045,686 = 20,045,686/x
  3. Step 3: Cross multiply
    9,311,315x = 20,045,686 × 20,045,686
  4. Step 4: Simplify right side
    9,311,315x = 401,829,527,210,596
  5. Step 5: Solve for x
    x = 401,829,527,210,596/9,311,315
  6. Step 6: Final answer
    x = 43,154,970.83

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.