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Finding the Third Proportional to 8,948,760 and 19,390,512

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Solution

The third proportional to 8,948,760 and 19,390,512 is: 42,016,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948,760 : 19,390,512 = 19,390,512 : x
  2. Step 2: Convert to fraction form
    8,948,760/19,390,512 = 19,390,512/x
  3. Step 3: Cross multiply
    8,948,760x = 19,390,512 × 19,390,512
  4. Step 4: Simplify right side
    8,948,760x = 375,991,955,622,144
  5. Step 5: Solve for x
    x = 375,991,955,622,144/8,948,760
  6. Step 6: Final answer
    x = 42,016,095.60

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.