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Finding the Third Proportional to 45,583 and 99,391

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Solution

The third proportional to 45,583 and 99,391 is: 216,716.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,583 : 99,391 = 99,391 : x
  2. Step 2: Convert to fraction form
    45,583/99,391 = 99,391/x
  3. Step 3: Cross multiply
    45,583x = 99,391 × 99,391
  4. Step 4: Simplify right side
    45,583x = 9,878,570,881
  5. Step 5: Solve for x
    x = 9,878,570,881/45,583
  6. Step 6: Final answer
    x = 216,716.12

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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.