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Finding the Third Proportional to 9,247,729.50 and 19,858,985.16

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Solution

The third proportional to 9,247,729.50 and 19,858,985.16 is: 42,646,066.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,247,729.50 : 19,858,985.16 = 19,858,985.16 : x
  2. Step 2: Convert to fraction form
    9,247,729.50/19,858,985.16 = 19,858,985.16/x
  3. Step 3: Cross multiply
    9,247,729.50x = 19,858,985.16 × 19,858,985.16
  4. Step 4: Simplify right side
    9,247,729.50x = 394,379,291,436,157.81
  5. Step 5: Solve for x
    x = 394,379,291,436,157.81/9,247,729.50
  6. Step 6: Final answer
    x = 42,646,066.95

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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.