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Finding the Third Proportional to 4,020,590 and 8,671,036

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Solution

The third proportional to 4,020,590 and 8,671,036 is: 18,700,455.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020,590 : 8,671,036 = 8,671,036 : x
  2. Step 2: Convert to fraction form
    4,020,590/8,671,036 = 8,671,036/x
  3. Step 3: Cross multiply
    4,020,590x = 8,671,036 × 8,671,036
  4. Step 4: Simplify right side
    4,020,590x = 75,186,865,313,296
  5. Step 5: Solve for x
    x = 75,186,865,313,296/4,020,590
  6. Step 6: Final answer
    x = 18,700,455.73

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.