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Finding the Third Proportional to 1,620,172.50 and 3,545,481

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Solution

The third proportional to 1,620,172.50 and 3,545,481 is: 7,758,701.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,172.50 : 3,545,481 = 3,545,481 : x
  2. Step 2: Convert to fraction form
    1,620,172.50/3,545,481 = 3,545,481/x
  3. Step 3: Cross multiply
    1,620,172.50x = 3,545,481 × 3,545,481
  4. Step 4: Simplify right side
    1,620,172.50x = 12,570,435,521,361
  5. Step 5: Solve for x
    x = 12,570,435,521,361/1,620,172.50
  6. Step 6: Final answer
    x = 7,758,701.94

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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.