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Finding the Third Proportional to 5,434,636 and 11,720,476

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Solution

The third proportional to 5,434,636 and 11,720,476 is: 25,276,680.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434,636 : 11,720,476 = 11,720,476 : x
  2. Step 2: Convert to fraction form
    5,434,636/11,720,476 = 11,720,476/x
  3. Step 3: Cross multiply
    5,434,636x = 11,720,476 × 11,720,476
  4. Step 4: Simplify right side
    5,434,636x = 137,369,557,666,576
  5. Step 5: Solve for x
    x = 137,369,557,666,576/5,434,636
  6. Step 6: Final answer
    x = 25,276,680.47

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.