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Finding the Third Proportional to 12,238,820 and 26,639,472

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Solution

The third proportional to 12,238,820 and 26,639,472 is: 57,984,468.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238,820 : 26,639,472 = 26,639,472 : x
  2. Step 2: Convert to fraction form
    12,238,820/26,639,472 = 26,639,472/x
  3. Step 3: Cross multiply
    12,238,820x = 26,639,472 × 26,639,472
  4. Step 4: Simplify right side
    12,238,820x = 709,661,468,438,784
  5. Step 5: Solve for x
    x = 709,661,468,438,784/12,238,820
  6. Step 6: Final answer
    x = 57,984,468.15

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.