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Finding the Third Proportional to 13,062,780 and 18,270,476

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Solution

The third proportional to 13,062,780 and 18,270,476 is: 25,554,307.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062,780 : 18,270,476 = 18,270,476 : x
  2. Step 2: Convert to fraction form
    13,062,780/18,270,476 = 18,270,476/x
  3. Step 3: Cross multiply
    13,062,780x = 18,270,476 × 18,270,476
  4. Step 4: Simplify right side
    13,062,780x = 333,810,293,266,576
  5. Step 5: Solve for x
    x = 333,810,293,266,576/13,062,780
  6. Step 6: Final answer
    x = 25,554,307.22

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.