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Finding the Third Proportional to 3,256,120 and 4,786,620

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Solution

The third proportional to 3,256,120 and 4,786,620 is: 7,036,513.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256,120 : 4,786,620 = 4,786,620 : x
  2. Step 2: Convert to fraction form
    3,256,120/4,786,620 = 4,786,620/x
  3. Step 3: Cross multiply
    3,256,120x = 4,786,620 × 4,786,620
  4. Step 4: Simplify right side
    3,256,120x = 22,911,731,024,400
  5. Step 5: Solve for x
    x = 22,911,731,024,400/3,256,120
  6. Step 6: Final answer
    x = 7,036,513.10

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.