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Finding the Third Proportional to 9,570,187 and 21,000,403

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Solution

The third proportional to 9,570,187 and 21,000,403 is: 46,082,372.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,570,187 : 21,000,403 = 21,000,403 : x
  2. Step 2: Convert to fraction form
    9,570,187/21,000,403 = 21,000,403/x
  3. Step 3: Cross multiply
    9,570,187x = 21,000,403 × 21,000,403
  4. Step 4: Simplify right side
    9,570,187x = 441,016,926,162,409
  5. Step 5: Solve for x
    x = 441,016,926,162,409/9,570,187
  6. Step 6: Final answer
    x = 46,082,372.91

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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.