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Finding the Third Proportional to 5,425,574 and 8,393,391

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Solution

The third proportional to 5,425,574 and 8,393,391 is: 12,984,619.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425,574 : 8,393,391 = 8,393,391 : x
  2. Step 2: Convert to fraction form
    5,425,574/8,393,391 = 8,393,391/x
  3. Step 3: Cross multiply
    5,425,574x = 8,393,391 × 8,393,391
  4. Step 4: Simplify right side
    5,425,574x = 70,449,012,478,881
  5. Step 5: Solve for x
    x = 70,449,012,478,881/5,425,574
  6. Step 6: Final answer
    x = 12,984,619.23

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.