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Finding the Third Proportional to 99,276 and 153,546

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Solution

The third proportional to 99,276 and 153,546 is: 237,483.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,276 : 153,546 = 153,546 : x
  2. Step 2: Convert to fraction form
    99,276/153,546 = 153,546/x
  3. Step 3: Cross multiply
    99,276x = 153,546 × 153,546
  4. Step 4: Simplify right side
    99,276x = 23,576,374,116
  5. Step 5: Solve for x
    x = 23,576,374,116/99,276
  6. Step 6: Final answer
    x = 237,483.12

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.