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Finding the Third Proportional to 9,570,170 and 21,000,378

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Solution

The third proportional to 9,570,170 and 21,000,378 is: 46,082,345.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,570,170 : 21,000,378 = 21,000,378 : x
  2. Step 2: Convert to fraction form
    9,570,170/21,000,378 = 21,000,378/x
  3. Step 3: Cross multiply
    9,570,170x = 21,000,378 × 21,000,378
  4. Step 4: Simplify right side
    9,570,170x = 441,015,876,142,884
  5. Step 5: Solve for x
    x = 441,015,876,142,884/9,570,170
  6. Step 6: Final answer
    x = 46,082,345.05

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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.