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Finding the Third Proportional to 21,332 and 46,810

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Solution

The third proportional to 21,332 and 46,810 is: 102,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,332 : 46,810 = 46,810 : x
  2. Step 2: Convert to fraction form
    21,332/46,810 = 46,810/x
  3. Step 3: Cross multiply
    21,332x = 46,810 × 46,810
  4. Step 4: Simplify right side
    21,332x = 2,191,176,100
  5. Step 5: Solve for x
    x = 2,191,176,100/21,332
  6. Step 6: Final answer
    x = 102,717.80

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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.