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Finding the Third Proportional to 719,856 and 1,117,512

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Solution

The third proportional to 719,856 and 1,117,512 is: 1,734,837.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,856 : 1,117,512 = 1,117,512 : x
  2. Step 2: Convert to fraction form
    719,856/1,117,512 = 1,117,512/x
  3. Step 3: Cross multiply
    719,856x = 1,117,512 × 1,117,512
  4. Step 4: Simplify right side
    719,856x = 1,248,833,070,144
  5. Step 5: Solve for x
    x = 1,248,833,070,144/719,856
  6. Step 6: Final answer
    x = 1,734,837.34

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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.