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Finding the Third Proportional to 21,012,159 and 46,010,121

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Solution

The third proportional to 21,012,159 and 46,010,121 is: 100,747,916.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,012,159 : 46,010,121 = 46,010,121 : x
  2. Step 2: Convert to fraction form
    21,012,159/46,010,121 = 46,010,121/x
  3. Step 3: Cross multiply
    21,012,159x = 46,010,121 × 46,010,121
  4. Step 4: Simplify right side
    21,012,159x = 2,116,931,234,434,641
  5. Step 5: Solve for x
    x = 2,116,931,234,434,641/21,012,159
  6. Step 6: Final answer
    x = 100,747,916.22

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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.