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Finding the Third Proportional to 9,974,772.21 and 21,488,296.36

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Solution

The third proportional to 9,974,772.21 and 21,488,296.36 is: 46,291,471.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,974,772.21 : 21,488,296.36 = 21,488,296.36 : x
  2. Step 2: Convert to fraction form
    9,974,772.21/21,488,296.36 = 21,488,296.36/x
  3. Step 3: Cross multiply
    9,974,772.21x = 21,488,296.36 × 21,488,296.36
  4. Step 4: Simplify right side
    9,974,772.21x = 461,746,880,428,371.81
  5. Step 5: Solve for x
    x = 461,746,880,428,371.81/9,974,772.21
  6. Step 6: Final answer
    x = 46,291,471.19

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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.