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Finding the Third Proportional to 70,582.50 and 155,376

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Solution

The third proportional to 70,582.50 and 155,376 is: 342,035.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,582.50 : 155,376 = 155,376 : x
  2. Step 2: Convert to fraction form
    70,582.50/155,376 = 155,376/x
  3. Step 3: Cross multiply
    70,582.50x = 155,376 × 155,376
  4. Step 4: Simplify right side
    70,582.50x = 24,141,701,376
  5. Step 5: Solve for x
    x = 24,141,701,376/70,582.50
  6. Step 6: Final answer
    x = 342,035.23

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.