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Finding the Third Proportional to 361,454.50 and 785,220

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Solution

The third proportional to 361,454.50 and 785,220 is: 1,705,803.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,454.50 : 785,220 = 785,220 : x
  2. Step 2: Convert to fraction form
    361,454.50/785,220 = 785,220/x
  3. Step 3: Cross multiply
    361,454.50x = 785,220 × 785,220
  4. Step 4: Simplify right side
    361,454.50x = 616,570,448,400
  5. Step 5: Solve for x
    x = 616,570,448,400/361,454.50
  6. Step 6: Final answer
    x = 1,705,803.77

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.