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Finding the Third Proportional to 21,317,479 and 46,885,509

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Solution

The third proportional to 21,317,479 and 46,885,509 is: 103,119,649.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,317,479 : 46,885,509 = 46,885,509 : x
  2. Step 2: Convert to fraction form
    21,317,479/46,885,509 = 46,885,509/x
  3. Step 3: Cross multiply
    21,317,479x = 46,885,509 × 46,885,509
  4. Step 4: Simplify right side
    21,317,479x = 2,198,250,954,189,081
  5. Step 5: Solve for x
    x = 2,198,250,954,189,081/21,317,479
  6. Step 6: Final answer
    x = 103,119,649.10

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.