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Finding the Third Proportional to 4,923,520 and 10,238,432

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Solution

The third proportional to 4,923,520 and 10,238,432 is: 21,290,761.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923,520 : 10,238,432 = 10,238,432 : x
  2. Step 2: Convert to fraction form
    4,923,520/10,238,432 = 10,238,432/x
  3. Step 3: Cross multiply
    4,923,520x = 10,238,432 × 10,238,432
  4. Step 4: Simplify right side
    4,923,520x = 104,825,489,818,624
  5. Step 5: Solve for x
    x = 104,825,489,818,624/4,923,520
  6. Step 6: Final answer
    x = 21,290,761.45

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.