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Finding the Third Proportional to 3,658,867 and 5,357,080

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Solution

The third proportional to 3,658,867 and 5,357,080 is: 7,843,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658,867 : 5,357,080 = 5,357,080 : x
  2. Step 2: Convert to fraction form
    3,658,867/5,357,080 = 5,357,080/x
  3. Step 3: Cross multiply
    3,658,867x = 5,357,080 × 5,357,080
  4. Step 4: Simplify right side
    3,658,867x = 28,698,306,126,400
  5. Step 5: Solve for x
    x = 28,698,306,126,400/3,658,867
  6. Step 6: Final answer
    x = 7,843,495.30

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.