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Finding the Third Proportional to 21,651,280 and 45,093,760

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Solution

The third proportional to 21,651,280 and 45,093,760 is: 93,918,105.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,651,280 : 45,093,760 = 45,093,760 : x
  2. Step 2: Convert to fraction form
    21,651,280/45,093,760 = 45,093,760/x
  3. Step 3: Cross multiply
    21,651,280x = 45,093,760 × 45,093,760
  4. Step 4: Simplify right side
    21,651,280x = 2,033,447,190,937,600
  5. Step 5: Solve for x
    x = 2,033,447,190,937,600/21,651,280
  6. Step 6: Final answer
    x = 93,918,105.12

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.