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Finding the Third Proportional to 167,528 and 259,072

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Solution

The third proportional to 167,528 and 259,072 is: 400,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,528 : 259,072 = 259,072 : x
  2. Step 2: Convert to fraction form
    167,528/259,072 = 259,072/x
  3. Step 3: Cross multiply
    167,528x = 259,072 × 259,072
  4. Step 4: Simplify right side
    167,528x = 67,118,301,184
  5. Step 5: Solve for x
    x = 67,118,301,184/167,528
  6. Step 6: Final answer
    x = 400,639.30

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.