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Finding the Third Proportional to 7,890,787 and 16,980,048

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Solution

The third proportional to 7,890,787 and 16,980,048 is: 36,539,071.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890,787 : 16,980,048 = 16,980,048 : x
  2. Step 2: Convert to fraction form
    7,890,787/16,980,048 = 16,980,048/x
  3. Step 3: Cross multiply
    7,890,787x = 16,980,048 × 16,980,048
  4. Step 4: Simplify right side
    7,890,787x = 288,322,030,082,304
  5. Step 5: Solve for x
    x = 288,322,030,082,304/7,890,787
  6. Step 6: Final answer
    x = 36,539,071.46

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.