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Finding the Third Proportional to 28,400,939 and 62,208,028

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Solution

The third proportional to 28,400,939 and 62,208,028 is: 136,257,422.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,400,939 : 62,208,028 = 62,208,028 : x
  2. Step 2: Convert to fraction form
    28,400,939/62,208,028 = 62,208,028/x
  3. Step 3: Cross multiply
    28,400,939x = 62,208,028 × 62,208,028
  4. Step 4: Simplify right side
    28,400,939x = 3,869,838,747,648,784
  5. Step 5: Solve for x
    x = 3,869,838,747,648,784/28,400,939
  6. Step 6: Final answer
    x = 136,257,422.60

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.