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Finding the Third Proportional to 28,656,836 and 62,943,421

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Solution

The third proportional to 28,656,836 and 62,943,421 is: 138,252,326.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,656,836 : 62,943,421 = 62,943,421 : x
  2. Step 2: Convert to fraction form
    28,656,836/62,943,421 = 62,943,421/x
  3. Step 3: Cross multiply
    28,656,836x = 62,943,421 × 62,943,421
  4. Step 4: Simplify right side
    28,656,836x = 3,961,874,247,183,241
  5. Step 5: Solve for x
    x = 3,961,874,247,183,241/28,656,836
  6. Step 6: Final answer
    x = 138,252,326.50

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.