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Finding the Third Proportional to 225,099 and 348,435

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Solution

The third proportional to 225,099 and 348,435 is: 539,349.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,099 : 348,435 = 348,435 : x
  2. Step 2: Convert to fraction form
    225,099/348,435 = 348,435/x
  3. Step 3: Cross multiply
    225,099x = 348,435 × 348,435
  4. Step 4: Simplify right side
    225,099x = 121,406,949,225
  5. Step 5: Solve for x
    x = 121,406,949,225/225,099
  6. Step 6: Final answer
    x = 539,349.13

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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.