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Finding the Third Proportional to 21,881,236 and 47,615,476

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Solution

The third proportional to 21,881,236 and 47,615,476 is: 103,615,424.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,881,236 : 47,615,476 = 47,615,476 : x
  2. Step 2: Convert to fraction form
    21,881,236/47,615,476 = 47,615,476/x
  3. Step 3: Cross multiply
    21,881,236x = 47,615,476 × 47,615,476
  4. Step 4: Simplify right side
    21,881,236x = 2,267,233,554,706,576
  5. Step 5: Solve for x
    x = 2,267,233,554,706,576/21,881,236
  6. Step 6: Final answer
    x = 103,615,424.41

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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.