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Finding the Third Proportional to 176,688 and 384,480

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Solution

The third proportional to 176,688 and 384,480 is: 836,643.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,688 : 384,480 = 384,480 : x
  2. Step 2: Convert to fraction form
    176,688/384,480 = 384,480/x
  3. Step 3: Cross multiply
    176,688x = 384,480 × 384,480
  4. Step 4: Simplify right side
    176,688x = 147,824,870,400
  5. Step 5: Solve for x
    x = 147,824,870,400/176,688
  6. Step 6: Final answer
    x = 836,643.52

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.