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Finding the Third Proportional to 9,570,178 and 21,000,394

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Solution

The third proportional to 9,570,178 and 21,000,394 is: 46,082,376.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,570,178 : 21,000,394 = 21,000,394 : x
  2. Step 2: Convert to fraction form
    9,570,178/21,000,394 = 21,000,394/x
  3. Step 3: Cross multiply
    9,570,178x = 21,000,394 × 21,000,394
  4. Step 4: Simplify right side
    9,570,178x = 441,016,548,155,236
  5. Step 5: Solve for x
    x = 441,016,548,155,236/9,570,178
  6. Step 6: Final answer
    x = 46,082,376.75

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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.