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Finding the Third Proportional to 229,216 and 350,412

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Solution

The third proportional to 229,216 and 350,412 is: 535,689.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,216 : 350,412 = 350,412 : x
  2. Step 2: Convert to fraction form
    229,216/350,412 = 350,412/x
  3. Step 3: Cross multiply
    229,216x = 350,412 × 350,412
  4. Step 4: Simplify right side
    229,216x = 122,788,569,744
  5. Step 5: Solve for x
    x = 122,788,569,744/229,216
  6. Step 6: Final answer
    x = 535,689.35

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.