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Finding the Third Proportional to 2,819,840.19 and 4,178,551.69

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Solution

The third proportional to 2,819,840.19 and 4,178,551.69 is: 6,191,944.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,840.19 : 4,178,551.69 = 4,178,551.69 : x
  2. Step 2: Convert to fraction form
    2,819,840.19/4,178,551.69 = 4,178,551.69/x
  3. Step 3: Cross multiply
    2,819,840.19x = 4,178,551.69 × 4,178,551.69
  4. Step 4: Simplify right side
    2,819,840.19x = 17,460,294,205,109.10
  5. Step 5: Solve for x
    x = 17,460,294,205,109.10/2,819,840.19
  6. Step 6: Final answer
    x = 6,191,944.59

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.