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Finding the Third Proportional to 176,240 and 283,709

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Solution

The third proportional to 176,240 and 283,709 is: 456,711.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,240 : 283,709 = 283,709 : x
  2. Step 2: Convert to fraction form
    176,240/283,709 = 283,709/x
  3. Step 3: Cross multiply
    176,240x = 283,709 × 283,709
  4. Step 4: Simplify right side
    176,240x = 80,490,796,681
  5. Step 5: Solve for x
    x = 80,490,796,681/176,240
  6. Step 6: Final answer
    x = 456,711.28

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.