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Finding the Third Proportional to 697,236 and 1,478,186

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Solution

The third proportional to 697,236 and 1,478,186 is: 3,133,851.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,236 : 1,478,186 = 1,478,186 : x
  2. Step 2: Convert to fraction form
    697,236/1,478,186 = 1,478,186/x
  3. Step 3: Cross multiply
    697,236x = 1,478,186 × 1,478,186
  4. Step 4: Simplify right side
    697,236x = 2,185,033,850,596
  5. Step 5: Solve for x
    x = 2,185,033,850,596/697,236
  6. Step 6: Final answer
    x = 3,133,851.16

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.