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Finding the Third Proportional to 4,818,328 and 6,423,648

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Solution

The third proportional to 4,818,328 and 6,423,648 is: 8,563,811.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818,328 : 6,423,648 = 6,423,648 : x
  2. Step 2: Convert to fraction form
    4,818,328/6,423,648 = 6,423,648/x
  3. Step 3: Cross multiply
    4,818,328x = 6,423,648 × 6,423,648
  4. Step 4: Simplify right side
    4,818,328x = 41,263,253,627,904
  5. Step 5: Solve for x
    x = 41,263,253,627,904/4,818,328
  6. Step 6: Final answer
    x = 8,563,811.68

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.