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Finding the Third Proportional to 754,692 and 1,121,778

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Solution

The third proportional to 754,692 and 1,121,778 is: 1,667,416.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,692 : 1,121,778 = 1,121,778 : x
  2. Step 2: Convert to fraction form
    754,692/1,121,778 = 1,121,778/x
  3. Step 3: Cross multiply
    754,692x = 1,121,778 × 1,121,778
  4. Step 4: Simplify right side
    754,692x = 1,258,385,881,284
  5. Step 5: Solve for x
    x = 1,258,385,881,284/754,692
  6. Step 6: Final answer
    x = 1,667,416.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.