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Finding the Third Proportional to 21,220 and 46,677

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Solution

The third proportional to 21,220 and 46,677 is: 102,674.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,220 : 46,677 = 46,677 : x
  2. Step 2: Convert to fraction form
    21,220/46,677 = 46,677/x
  3. Step 3: Cross multiply
    21,220x = 46,677 × 46,677
  4. Step 4: Simplify right side
    21,220x = 2,178,742,329
  5. Step 5: Solve for x
    x = 2,178,742,329/21,220
  6. Step 6: Final answer
    x = 102,674.00

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.