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Finding the Third Proportional to 772,603.50 and 1,135,780.50

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Solution

The third proportional to 772,603.50 and 1,135,780.50 is: 1,669,675.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,603.50 : 1,135,780.50 = 1,135,780.50 : x
  2. Step 2: Convert to fraction form
    772,603.50/1,135,780.50 = 1,135,780.50/x
  3. Step 3: Cross multiply
    772,603.50x = 1,135,780.50 × 1,135,780.50
  4. Step 4: Simplify right side
    772,603.50x = 1,289,997,344,180.25
  5. Step 5: Solve for x
    x = 1,289,997,344,180.25/772,603.50
  6. Step 6: Final answer
    x = 1,669,675.77

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.