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Finding the Third Proportional to 250,237.69 and 550,289.81

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Solution

The third proportional to 250,237.69 and 550,289.81 is: 1,210,124.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,237.69 : 550,289.81 = 550,289.81 : x
  2. Step 2: Convert to fraction form
    250,237.69/550,289.81 = 550,289.81/x
  3. Step 3: Cross multiply
    250,237.69x = 550,289.81 × 550,289.81
  4. Step 4: Simplify right side
    250,237.69x = 302,818,877,741.29
  5. Step 5: Solve for x
    x = 302,818,877,741.29/250,237.69
  6. Step 6: Final answer
    x = 1,210,124.98

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.