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Finding the Third Proportional to 172,480 and 375,332

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Solution

The third proportional to 172,480 and 375,332 is: 816,756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,480 : 375,332 = 375,332 : x
  2. Step 2: Convert to fraction form
    172,480/375,332 = 375,332/x
  3. Step 3: Cross multiply
    172,480x = 375,332 × 375,332
  4. Step 4: Simplify right side
    172,480x = 140,874,110,224
  5. Step 5: Solve for x
    x = 140,874,110,224/172,480
  6. Step 6: Final answer
    x = 816,756.20

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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.