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Finding the Third Proportional to 234,999 and 358,015.50

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Solution

The third proportional to 234,999 and 358,015.50 is: 545,428.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,999 : 358,015.50 = 358,015.50 : x
  2. Step 2: Convert to fraction form
    234,999/358,015.50 = 358,015.50/x
  3. Step 3: Cross multiply
    234,999x = 358,015.50 × 358,015.50
  4. Step 4: Simplify right side
    234,999x = 128,175,098,240.25
  5. Step 5: Solve for x
    x = 128,175,098,240.25/234,999
  6. Step 6: Final answer
    x = 545,428.27

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.