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Finding the Third Proportional to 9,570,147 and 21,000,338

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Solution

The third proportional to 9,570,147 and 21,000,338 is: 46,082,280.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,570,147 : 21,000,338 = 21,000,338 : x
  2. Step 2: Convert to fraction form
    9,570,147/21,000,338 = 21,000,338/x
  3. Step 3: Cross multiply
    9,570,147x = 21,000,338 × 21,000,338
  4. Step 4: Simplify right side
    9,570,147x = 441,014,196,114,244
  5. Step 5: Solve for x
    x = 441,014,196,114,244/9,570,147
  6. Step 6: Final answer
    x = 46,082,280.25

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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.