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Finding the Third Proportional to 4,038,999 and 8,645,475

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Solution

The third proportional to 4,038,999 and 8,645,475 is: 18,505,634.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,038,999 : 8,645,475 = 8,645,475 : x
  2. Step 2: Convert to fraction form
    4,038,999/8,645,475 = 8,645,475/x
  3. Step 3: Cross multiply
    4,038,999x = 8,645,475 × 8,645,475
  4. Step 4: Simplify right side
    4,038,999x = 74,744,237,975,625
  5. Step 5: Solve for x
    x = 74,744,237,975,625/4,038,999
  6. Step 6: Final answer
    x = 18,505,634.19

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.