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Finding the Third Proportional to 19,912,298 and 43,428,628

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Solution

The third proportional to 19,912,298 and 43,428,628 is: 94,717,632.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,912,298 : 43,428,628 = 43,428,628 : x
  2. Step 2: Convert to fraction form
    19,912,298/43,428,628 = 43,428,628/x
  3. Step 3: Cross multiply
    19,912,298x = 43,428,628 × 43,428,628
  4. Step 4: Simplify right side
    19,912,298x = 1,886,045,729,962,384
  5. Step 5: Solve for x
    x = 1,886,045,729,962,384/19,912,298
  6. Step 6: Final answer
    x = 94,717,632.79

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.