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Finding the Third Proportional to 156,000 and 336,528

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Solution

The third proportional to 156,000 and 336,528 is: 725,968.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,000 : 336,528 = 336,528 : x
  2. Step 2: Convert to fraction form
    156,000/336,528 = 336,528/x
  3. Step 3: Cross multiply
    156,000x = 336,528 × 336,528
  4. Step 4: Simplify right side
    156,000x = 113,251,094,784
  5. Step 5: Solve for x
    x = 113,251,094,784/156,000
  6. Step 6: Final answer
    x = 725,968.56

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.