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Finding the Third Proportional to 9,570,199 and 21,000,427

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Solution

The third proportional to 9,570,199 and 21,000,427 is: 46,082,420.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,570,199 : 21,000,427 = 21,000,427 : x
  2. Step 2: Convert to fraction form
    9,570,199/21,000,427 = 21,000,427/x
  3. Step 3: Cross multiply
    9,570,199x = 21,000,427 × 21,000,427
  4. Step 4: Simplify right side
    9,570,199x = 441,017,934,182,329
  5. Step 5: Solve for x
    x = 441,017,934,182,329/9,570,199
  6. Step 6: Final answer
    x = 46,082,420.46

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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.