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Finding the Third Proportional to 2,145,505.50 and 4,546,890

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Solution

The third proportional to 2,145,505.50 and 4,546,890 is: 9,636,054.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,505.50 : 4,546,890 = 4,546,890 : x
  2. Step 2: Convert to fraction form
    2,145,505.50/4,546,890 = 4,546,890/x
  3. Step 3: Cross multiply
    2,145,505.50x = 4,546,890 × 4,546,890
  4. Step 4: Simplify right side
    2,145,505.50x = 20,674,208,672,100
  5. Step 5: Solve for x
    x = 20,674,208,672,100/2,145,505.50
  6. Step 6: Final answer
    x = 9,636,054.85

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.