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Finding the Third Proportional to 9,485,172 and 20,813,904

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Solution

The third proportional to 9,485,172 and 20,813,904 is: 45,673,246.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,485,172 : 20,813,904 = 20,813,904 : x
  2. Step 2: Convert to fraction form
    9,485,172/20,813,904 = 20,813,904/x
  3. Step 3: Cross multiply
    9,485,172x = 20,813,904 × 20,813,904
  4. Step 4: Simplify right side
    9,485,172x = 433,218,599,721,216
  5. Step 5: Solve for x
    x = 433,218,599,721,216/9,485,172
  6. Step 6: Final answer
    x = 45,673,246.59

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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.