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Finding the Third Proportional to 8,752 and 19,210

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Solution

The third proportional to 8,752 and 19,210 is: 42,164.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752 : 19,210 = 19,210 : x
  2. Step 2: Convert to fraction form
    8,752/19,210 = 19,210/x
  3. Step 3: Cross multiply
    8,752x = 19,210 × 19,210
  4. Step 4: Simplify right side
    8,752x = 369,024,100
  5. Step 5: Solve for x
    x = 369,024,100/8,752
  6. Step 6: Final answer
    x = 42,164.55

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.