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Finding the Third Proportional to 788,169 and 1,222,914.75

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Solution

The third proportional to 788,169 and 1,222,914.75 is: 1,897,461.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,169 : 1,222,914.75 = 1,222,914.75 : x
  2. Step 2: Convert to fraction form
    788,169/1,222,914.75 = 1,222,914.75/x
  3. Step 3: Cross multiply
    788,169x = 1,222,914.75 × 1,222,914.75
  4. Step 4: Simplify right side
    788,169x = 1,495,520,485,767.56
  5. Step 5: Solve for x
    x = 1,495,520,485,767.56/788,169
  6. Step 6: Final answer
    x = 1,897,461.69

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.