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Finding the Third Proportional to 1,620,176 and 3,545,488

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Solution

The third proportional to 1,620,176 and 3,545,488 is: 7,758,715.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,176 : 3,545,488 = 3,545,488 : x
  2. Step 2: Convert to fraction form
    1,620,176/3,545,488 = 3,545,488/x
  3. Step 3: Cross multiply
    1,620,176x = 3,545,488 × 3,545,488
  4. Step 4: Simplify right side
    1,620,176x = 12,570,485,158,144
  5. Step 5: Solve for x
    x = 12,570,485,158,144/1,620,176
  6. Step 6: Final answer
    x = 7,758,715.82

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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.