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Finding the Third Proportional to 19,213,620 and 41,838,688

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Solution

The third proportional to 19,213,620 and 41,838,688 is: 91,105,986.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,213,620 : 41,838,688 = 41,838,688 : x
  2. Step 2: Convert to fraction form
    19,213,620/41,838,688 = 41,838,688/x
  3. Step 3: Cross multiply
    19,213,620x = 41,838,688 × 41,838,688
  4. Step 4: Simplify right side
    19,213,620x = 1,750,475,813,561,344
  5. Step 5: Solve for x
    x = 1,750,475,813,561,344/19,213,620
  6. Step 6: Final answer
    x = 91,105,986.98

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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.