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Finding the Third Proportional to 4,818,128 and 6,423,416

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Solution

The third proportional to 4,818,128 and 6,423,416 is: 8,563,548.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818,128 : 6,423,416 = 6,423,416 : x
  2. Step 2: Convert to fraction form
    4,818,128/6,423,416 = 6,423,416/x
  3. Step 3: Cross multiply
    4,818,128x = 6,423,416 × 6,423,416
  4. Step 4: Simplify right side
    4,818,128x = 41,260,273,109,056
  5. Step 5: Solve for x
    x = 41,260,273,109,056/4,818,128
  6. Step 6: Final answer
    x = 8,563,548.56

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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.