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Finding the Third Proportional to 7,795,809 and 12,134,312

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Solution

The third proportional to 7,795,809 and 12,134,312 is: 18,887,267.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,795,809 : 12,134,312 = 12,134,312 : x
  2. Step 2: Convert to fraction form
    7,795,809/12,134,312 = 12,134,312/x
  3. Step 3: Cross multiply
    7,795,809x = 12,134,312 × 12,134,312
  4. Step 4: Simplify right side
    7,795,809x = 147,241,527,713,344
  5. Step 5: Solve for x
    x = 147,241,527,713,344/7,795,809
  6. Step 6: Final answer
    x = 18,887,267.21

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.