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Finding the Third Proportional to 4,375,518.75 and 6,623,643.38

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Solution

The third proportional to 4,375,518.75 and 6,623,643.38 is: 10,026,845.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,375,518.75 : 6,623,643.38 = 6,623,643.38 : x
  2. Step 2: Convert to fraction form
    4,375,518.75/6,623,643.38 = 6,623,643.38/x
  3. Step 3: Cross multiply
    4,375,518.75x = 6,623,643.38 × 6,623,643.38
  4. Step 4: Simplify right side
    4,375,518.75x = 43,872,651,559,181.39
  5. Step 5: Solve for x
    x = 43,872,651,559,181.39/4,375,518.75
  6. Step 6: Final answer
    x = 10,026,845.74

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.