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Finding the Third Proportional to 550,068 and 875,220

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Solution

The third proportional to 550,068 and 875,220 is: 1,392,573.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,068 : 875,220 = 875,220 : x
  2. Step 2: Convert to fraction form
    550,068/875,220 = 875,220/x
  3. Step 3: Cross multiply
    550,068x = 875,220 × 875,220
  4. Step 4: Simplify right side
    550,068x = 766,010,048,400
  5. Step 5: Solve for x
    x = 766,010,048,400/550,068
  6. Step 6: Final answer
    x = 1,392,573.37

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.