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Finding the Third Proportional to 99,800 and 149,688

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Solution

The third proportional to 99,800 and 149,688 is: 224,514.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,800 : 149,688 = 149,688 : x
  2. Step 2: Convert to fraction form
    99,800/149,688 = 149,688/x
  3. Step 3: Cross multiply
    99,800x = 149,688 × 149,688
  4. Step 4: Simplify right side
    99,800x = 22,406,497,344
  5. Step 5: Solve for x
    x = 22,406,497,344/99,800
  6. Step 6: Final answer
    x = 224,514.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.