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Finding the Third Proportional to 164,513 and 357,213

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Solution

The third proportional to 164,513 and 357,213 is: 775,629.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,513 : 357,213 = 357,213 : x
  2. Step 2: Convert to fraction form
    164,513/357,213 = 357,213/x
  3. Step 3: Cross multiply
    164,513x = 357,213 × 357,213
  4. Step 4: Simplify right side
    164,513x = 127,601,127,369
  5. Step 5: Solve for x
    x = 127,601,127,369/164,513
  6. Step 6: Final answer
    x = 775,629.45

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.