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Finding the Third Proportional to 147,000 and 322,011

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Solution

The third proportional to 147,000 and 322,011 is: 705,381.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,000 : 322,011 = 322,011 : x
  2. Step 2: Convert to fraction form
    147,000/322,011 = 322,011/x
  3. Step 3: Cross multiply
    147,000x = 322,011 × 322,011
  4. Step 4: Simplify right side
    147,000x = 103,691,084,121
  5. Step 5: Solve for x
    x = 103,691,084,121/147,000
  6. Step 6: Final answer
    x = 705,381.52

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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.