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Finding the Third Proportional to 3,135,564 and 6,868,999.50

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Solution

The third proportional to 3,135,564 and 6,868,999.50 is: 15,047,740.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135,564 : 6,868,999.50 = 6,868,999.50 : x
  2. Step 2: Convert to fraction form
    3,135,564/6,868,999.50 = 6,868,999.50/x
  3. Step 3: Cross multiply
    3,135,564x = 6,868,999.50 × 6,868,999.50
  4. Step 4: Simplify right side
    3,135,564x = 47,183,154,131,000.25
  5. Step 5: Solve for x
    x = 47,183,154,131,000.25/3,135,564
  6. Step 6: Final answer
    x = 15,047,740.74

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.