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Finding the Third Proportional to 21,579,180 and 46,228,646

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Solution

The third proportional to 21,579,180 and 46,228,646 is: 99,034,704.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,579,180 : 46,228,646 = 46,228,646 : x
  2. Step 2: Convert to fraction form
    21,579,180/46,228,646 = 46,228,646/x
  3. Step 3: Cross multiply
    21,579,180x = 46,228,646 × 46,228,646
  4. Step 4: Simplify right side
    21,579,180x = 2,137,087,710,993,316
  5. Step 5: Solve for x
    x = 2,137,087,710,993,316/21,579,180
  6. Step 6: Final answer
    x = 99,034,704.33

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.