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Finding the Third Proportional to 148,070 and 211,030

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Solution

The third proportional to 148,070 and 211,030 is: 300,760.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,070 : 211,030 = 211,030 : x
  2. Step 2: Convert to fraction form
    148,070/211,030 = 211,030/x
  3. Step 3: Cross multiply
    148,070x = 211,030 × 211,030
  4. Step 4: Simplify right side
    148,070x = 44,533,660,900
  5. Step 5: Solve for x
    x = 44,533,660,900/148,070
  6. Step 6: Final answer
    x = 300,760.86

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.