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Finding the Third Proportional to 112,390 and 168,528

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Solution

The third proportional to 112,390 and 168,528 is: 252,706.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,390 : 168,528 = 168,528 : x
  2. Step 2: Convert to fraction form
    112,390/168,528 = 168,528/x
  3. Step 3: Cross multiply
    112,390x = 168,528 × 168,528
  4. Step 4: Simplify right side
    112,390x = 28,401,686,784
  5. Step 5: Solve for x
    x = 28,401,686,784/112,390
  6. Step 6: Final answer
    x = 252,706.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.