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Finding the Third Proportional to 9,974,868.19 and 21,488,496.75

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Solution

The third proportional to 9,974,868.19 and 21,488,496.75 is: 46,291,889.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,974,868.19 : 21,488,496.75 = 21,488,496.75 : x
  2. Step 2: Convert to fraction form
    9,974,868.19/21,488,496.75 = 21,488,496.75/x
  3. Step 3: Cross multiply
    9,974,868.19x = 21,488,496.75 × 21,488,496.75
  4. Step 4: Simplify right side
    9,974,868.19x = 461,755,492,574,760.56
  5. Step 5: Solve for x
    x = 461,755,492,574,760.56/9,974,868.19
  6. Step 6: Final answer
    x = 46,291,889.17

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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.