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Finding the Third Proportional to 3,256,138 and 4,786,646

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Solution

The third proportional to 3,256,138 and 4,786,646 is: 7,036,550.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256,138 : 4,786,646 = 4,786,646 : x
  2. Step 2: Convert to fraction form
    3,256,138/4,786,646 = 4,786,646/x
  3. Step 3: Cross multiply
    3,256,138x = 4,786,646 × 4,786,646
  4. Step 4: Simplify right side
    3,256,138x = 22,911,979,929,316
  5. Step 5: Solve for x
    x = 22,911,979,929,316/3,256,138
  6. Step 6: Final answer
    x = 7,036,550.64

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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.