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Finding the Third Proportional to 231,368.50 and 349,966.50

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Solution

The third proportional to 231,368.50 and 349,966.50 is: 529,357.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,368.50 : 349,966.50 = 349,966.50 : x
  2. Step 2: Convert to fraction form
    231,368.50/349,966.50 = 349,966.50/x
  3. Step 3: Cross multiply
    231,368.50x = 349,966.50 × 349,966.50
  4. Step 4: Simplify right side
    231,368.50x = 122,476,551,122.25
  5. Step 5: Solve for x
    x = 122,476,551,122.25/231,368.50
  6. Step 6: Final answer
    x = 529,357.07

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.