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Finding the Third Proportional to 3,318,421.50 and 6,970,563

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Solution

The third proportional to 3,318,421.50 and 6,970,563 is: 14,642,126.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318,421.50 : 6,970,563 = 6,970,563 : x
  2. Step 2: Convert to fraction form
    3,318,421.50/6,970,563 = 6,970,563/x
  3. Step 3: Cross multiply
    3,318,421.50x = 6,970,563 × 6,970,563
  4. Step 4: Simplify right side
    3,318,421.50x = 48,588,748,536,969
  5. Step 5: Solve for x
    x = 48,588,748,536,969/3,318,421.50
  6. Step 6: Final answer
    x = 14,642,126.85

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.