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Finding the Third Proportional to 9,974,789.25 and 21,488,328.75

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Solution

The third proportional to 9,974,789.25 and 21,488,328.75 is: 46,291,531.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,974,789.25 : 21,488,328.75 = 21,488,328.75 : x
  2. Step 2: Convert to fraction form
    9,974,789.25/21,488,328.75 = 21,488,328.75/x
  3. Step 3: Cross multiply
    9,974,789.25x = 21,488,328.75 × 21,488,328.75
  4. Step 4: Simplify right side
    9,974,789.25x = 461,748,272,468,076.56
  5. Step 5: Solve for x
    x = 461,748,272,468,076.56/9,974,789.25
  6. Step 6: Final answer
    x = 46,291,531.67

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.