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Finding the Third Proportional to 19,916,592.61 and 42,859,913.48

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Solution

The third proportional to 19,916,592.61 and 42,859,913.48 is: 92,233,255.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,916,592.61 : 42,859,913.48 = 42,859,913.48 : x
  2. Step 2: Convert to fraction form
    19,916,592.61/42,859,913.48 = 42,859,913.48/x
  3. Step 3: Cross multiply
    19,916,592.61x = 42,859,913.48 × 42,859,913.48
  4. Step 4: Simplify right side
    19,916,592.61x = 1,836,972,183,888,110
  5. Step 5: Solve for x
    x = 1,836,972,183,888,110/19,916,592.61
  6. Step 6: Final answer
    x = 92,233,255.95

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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.