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Finding the Third Proportional to 555,045.75 and 1,212,811.50

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Solution

The third proportional to 555,045.75 and 1,212,811.50 is: 2,650,072.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,045.75 : 1,212,811.50 = 1,212,811.50 : x
  2. Step 2: Convert to fraction form
    555,045.75/1,212,811.50 = 1,212,811.50/x
  3. Step 3: Cross multiply
    555,045.75x = 1,212,811.50 × 1,212,811.50
  4. Step 4: Simplify right side
    555,045.75x = 1,470,911,734,532.25
  5. Step 5: Solve for x
    x = 1,470,911,734,532.25/555,045.75
  6. Step 6: Final answer
    x = 2,650,072.96

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.