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Finding the Third Proportional to 683,226 and 1,019,319

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Solution

The third proportional to 683,226 and 1,019,319 is: 1,520,743.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,226 : 1,019,319 = 1,019,319 : x
  2. Step 2: Convert to fraction form
    683,226/1,019,319 = 1,019,319/x
  3. Step 3: Cross multiply
    683,226x = 1,019,319 × 1,019,319
  4. Step 4: Simplify right side
    683,226x = 1,039,011,223,761
  5. Step 5: Solve for x
    x = 1,039,011,223,761/683,226
  6. Step 6: Final answer
    x = 1,520,743.10

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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.