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Finding the Third Proportional to 319,910 and 700,084

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Solution

The third proportional to 319,910 and 700,084 is: 1,532,048.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,910 : 700,084 = 700,084 : x
  2. Step 2: Convert to fraction form
    319,910/700,084 = 700,084/x
  3. Step 3: Cross multiply
    319,910x = 700,084 × 700,084
  4. Step 4: Simplify right side
    319,910x = 490,117,607,056
  5. Step 5: Solve for x
    x = 490,117,607,056/319,910
  6. Step 6: Final answer
    x = 1,532,048.41

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.