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Finding the Third Proportional to 3,315,628.69 and 4,985,756.30

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Solution

The third proportional to 3,315,628.69 and 4,985,756.30 is: 7,497,150.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,628.69 : 4,985,756.30 = 4,985,756.30 : x
  2. Step 2: Convert to fraction form
    3,315,628.69/4,985,756.30 = 4,985,756.30/x
  3. Step 3: Cross multiply
    3,315,628.69x = 4,985,756.30 × 4,985,756.30
  4. Step 4: Simplify right side
    3,315,628.69x = 24,857,765,851,828.71
  5. Step 5: Solve for x
    x = 24,857,765,851,828.71/3,315,628.69
  6. Step 6: Final answer
    x = 7,497,150.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.