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Finding the Third Proportional to 8,862,072 and 18,952,320

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Solution

The third proportional to 8,862,072 and 18,952,320 is: 40,531,202.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862,072 : 18,952,320 = 18,952,320 : x
  2. Step 2: Convert to fraction form
    8,862,072/18,952,320 = 18,952,320/x
  3. Step 3: Cross multiply
    8,862,072x = 18,952,320 × 18,952,320
  4. Step 4: Simplify right side
    8,862,072x = 359,190,433,382,400
  5. Step 5: Solve for x
    x = 359,190,433,382,400/8,862,072
  6. Step 6: Final answer
    x = 40,531,202.34

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.