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Finding the Third Proportional to 210,320 and 450,168

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Solution

The third proportional to 210,320 and 450,168 is: 963,537.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,320 : 450,168 = 450,168 : x
  2. Step 2: Convert to fraction form
    210,320/450,168 = 450,168/x
  3. Step 3: Cross multiply
    210,320x = 450,168 × 450,168
  4. Step 4: Simplify right side
    210,320x = 202,651,228,224
  5. Step 5: Solve for x
    x = 202,651,228,224/210,320
  6. Step 6: Final answer
    x = 963,537.60

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.