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Finding the Third Proportional to 99,545 and 216,583

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Solution

The third proportional to 99,545 and 216,583 is: 471,226.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,545 : 216,583 = 216,583 : x
  2. Step 2: Convert to fraction form
    99,545/216,583 = 216,583/x
  3. Step 3: Cross multiply
    99,545x = 216,583 × 216,583
  4. Step 4: Simplify right side
    99,545x = 46,908,195,889
  5. Step 5: Solve for x
    x = 46,908,195,889/99,545
  6. Step 6: Final answer
    x = 471,226.04

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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.