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Finding the Third Proportional to 21,285,028 and 46,690,308

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Solution

The third proportional to 21,285,028 and 46,690,308 is: 102,418,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,285,028 : 46,690,308 = 46,690,308 : x
  2. Step 2: Convert to fraction form
    21,285,028/46,690,308 = 46,690,308/x
  3. Step 3: Cross multiply
    21,285,028x = 46,690,308 × 46,690,308
  4. Step 4: Simplify right side
    21,285,028x = 2,179,984,861,134,864
  5. Step 5: Solve for x
    x = 2,179,984,861,134,864/21,285,028
  6. Step 6: Final answer
    x = 102,418,698.30

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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.