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Finding the Third Proportional to 19,507 and 46,021

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Solution

The third proportional to 19,507 and 46,021 is: 108,572.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,507 : 46,021 = 46,021 : x
  2. Step 2: Convert to fraction form
    19,507/46,021 = 46,021/x
  3. Step 3: Cross multiply
    19,507x = 46,021 × 46,021
  4. Step 4: Simplify right side
    19,507x = 2,117,932,441
  5. Step 5: Solve for x
    x = 2,117,932,441/19,507
  6. Step 6: Final answer
    x = 108,572.95

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.