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Finding the Third Proportional to 228,972 and 350,275.50

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Solution

The third proportional to 228,972 and 350,275.50 is: 535,842.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,972 : 350,275.50 = 350,275.50 : x
  2. Step 2: Convert to fraction form
    228,972/350,275.50 = 350,275.50/x
  3. Step 3: Cross multiply
    228,972x = 350,275.50 × 350,275.50
  4. Step 4: Simplify right side
    228,972x = 122,692,925,900.25
  5. Step 5: Solve for x
    x = 122,692,925,900.25/228,972
  6. Step 6: Final answer
    x = 535,842.49

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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.