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Finding the Third Proportional to 12,364,396 and 18,913,760

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Solution

The third proportional to 12,364,396 and 18,913,760 is: 28,932,292.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,364,396 : 18,913,760 = 18,913,760 : x
  2. Step 2: Convert to fraction form
    12,364,396/18,913,760 = 18,913,760/x
  3. Step 3: Cross multiply
    12,364,396x = 18,913,760 × 18,913,760
  4. Step 4: Simplify right side
    12,364,396x = 357,730,317,337,600
  5. Step 5: Solve for x
    x = 357,730,317,337,600/12,364,396
  6. Step 6: Final answer
    x = 28,932,292.15

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.