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Finding the Third Proportional to 69,026 and 147,888

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Solution

The third proportional to 69,026 and 147,888 is: 316,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,026 : 147,888 = 147,888 : x
  2. Step 2: Convert to fraction form
    69,026/147,888 = 147,888/x
  3. Step 3: Cross multiply
    69,026x = 147,888 × 147,888
  4. Step 4: Simplify right side
    69,026x = 21,870,860,544
  5. Step 5: Solve for x
    x = 21,870,860,544/69,026
  6. Step 6: Final answer
    x = 316,849.60

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.