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Finding the Third Proportional to 9,281,319 and 19,933,644

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Solution

The third proportional to 9,281,319 and 19,933,644 is: 42,811,820.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,281,319 : 19,933,644 = 19,933,644 : x
  2. Step 2: Convert to fraction form
    9,281,319/19,933,644 = 19,933,644/x
  3. Step 3: Cross multiply
    9,281,319x = 19,933,644 × 19,933,644
  4. Step 4: Simplify right side
    9,281,319x = 397,350,163,118,736
  5. Step 5: Solve for x
    x = 397,350,163,118,736/9,281,319
  6. Step 6: Final answer
    x = 42,811,820.51

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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.