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Finding the Third Proportional to 99,240 and 148,878

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Solution

The third proportional to 99,240 and 148,878 is: 223,344.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,240 : 148,878 = 148,878 : x
  2. Step 2: Convert to fraction form
    99,240/148,878 = 148,878/x
  3. Step 3: Cross multiply
    99,240x = 148,878 × 148,878
  4. Step 4: Simplify right side
    99,240x = 22,164,658,884
  5. Step 5: Solve for x
    x = 22,164,658,884/99,240
  6. Step 6: Final answer
    x = 223,344.00

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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.