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Finding the Third Proportional to 743,262 and 1,121,859

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Solution

The third proportional to 743,262 and 1,121,859 is: 1,693,302.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,262 : 1,121,859 = 1,121,859 : x
  2. Step 2: Convert to fraction form
    743,262/1,121,859 = 1,121,859/x
  3. Step 3: Cross multiply
    743,262x = 1,121,859 × 1,121,859
  4. Step 4: Simplify right side
    743,262x = 1,258,567,615,881
  5. Step 5: Solve for x
    x = 1,258,567,615,881/743,262
  6. Step 6: Final answer
    x = 1,693,302.79

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.