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Finding the Third Proportional to 134,732 and 210,740

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Solution

The third proportional to 134,732 and 210,740 is: 329,627.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,732 : 210,740 = 210,740 : x
  2. Step 2: Convert to fraction form
    134,732/210,740 = 210,740/x
  3. Step 3: Cross multiply
    134,732x = 210,740 × 210,740
  4. Step 4: Simplify right side
    134,732x = 44,411,347,600
  5. Step 5: Solve for x
    x = 44,411,347,600/134,732
  6. Step 6: Final answer
    x = 329,627.32

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.