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Finding the Third Proportional to 21,793,695 and 47,838,278

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Solution

The third proportional to 21,793,695 and 47,838,278 is: 105,007,473.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,793,695 : 47,838,278 = 47,838,278 : x
  2. Step 2: Convert to fraction form
    21,793,695/47,838,278 = 47,838,278/x
  3. Step 3: Cross multiply
    21,793,695x = 47,838,278 × 47,838,278
  4. Step 4: Simplify right side
    21,793,695x = 2,288,500,842,005,284
  5. Step 5: Solve for x
    x = 2,288,500,842,005,284/21,793,695
  6. Step 6: Final answer
    x = 105,007,473.12

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.