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Finding the Third Proportional to 156,954 and 201,528

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Solution

The third proportional to 156,954 and 201,528 is: 258,760.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,954 : 201,528 = 201,528 : x
  2. Step 2: Convert to fraction form
    156,954/201,528 = 201,528/x
  3. Step 3: Cross multiply
    156,954x = 201,528 × 201,528
  4. Step 4: Simplify right side
    156,954x = 40,613,534,784
  5. Step 5: Solve for x
    x = 40,613,534,784/156,954
  6. Step 6: Final answer
    x = 258,760.75

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.