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Finding the Third Proportional to 919,080 and 2,000,135

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Solution

The third proportional to 919,080 and 2,000,135 is: 4,352,765.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,080 : 2,000,135 = 2,000,135 : x
  2. Step 2: Convert to fraction form
    919,080/2,000,135 = 2,000,135/x
  3. Step 3: Cross multiply
    919,080x = 2,000,135 × 2,000,135
  4. Step 4: Simplify right side
    919,080x = 4,000,540,018,225
  5. Step 5: Solve for x
    x = 4,000,540,018,225/919,080
  6. Step 6: Final answer
    x = 4,352,765.83

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.