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Finding the Third Proportional to 19,216,543 and 41,978,943

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Solution

The third proportional to 19,216,543 and 41,978,943 is: 91,703,885.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216,543 : 41,978,943 = 41,978,943 : x
  2. Step 2: Convert to fraction form
    19,216,543/41,978,943 = 41,978,943/x
  3. Step 3: Cross multiply
    19,216,543x = 41,978,943 × 41,978,943
  4. Step 4: Simplify right side
    19,216,543x = 1,762,231,655,397,249
  5. Step 5: Solve for x
    x = 1,762,231,655,397,249/19,216,543
  6. Step 6: Final answer
    x = 91,703,885.31

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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.