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Finding the Third Proportional to 2,699,866.69 and 4,459,315.78

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Solution

The third proportional to 2,699,866.69 and 4,459,315.78 is: 7,365,362.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699,866.69 : 4,459,315.78 = 4,459,315.78 : x
  2. Step 2: Convert to fraction form
    2,699,866.69/4,459,315.78 = 4,459,315.78/x
  3. Step 3: Cross multiply
    2,699,866.69x = 4,459,315.78 × 4,459,315.78
  4. Step 4: Simplify right side
    2,699,866.69x = 19,885,497,236,905.30
  5. Step 5: Solve for x
    x = 19,885,497,236,905.30/2,699,866.69
  6. Step 6: Final answer
    x = 7,365,362.64

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.