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Finding the Third Proportional to 7,625,790 and 15,878,844

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Solution

The third proportional to 7,625,790 and 15,878,844 is: 33,063,811.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625,790 : 15,878,844 = 15,878,844 : x
  2. Step 2: Convert to fraction form
    7,625,790/15,878,844 = 15,878,844/x
  3. Step 3: Cross multiply
    7,625,790x = 15,878,844 × 15,878,844
  4. Step 4: Simplify right side
    7,625,790x = 252,137,686,776,336
  5. Step 5: Solve for x
    x = 252,137,686,776,336/7,625,790
  6. Step 6: Final answer
    x = 33,063,811.98

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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.