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Finding the Third Proportional to 155,518.50 and 228,312

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Solution

The third proportional to 155,518.50 and 228,312 is: 335,177.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,518.50 : 228,312 = 228,312 : x
  2. Step 2: Convert to fraction form
    155,518.50/228,312 = 228,312/x
  3. Step 3: Cross multiply
    155,518.50x = 228,312 × 228,312
  4. Step 4: Simplify right side
    155,518.50x = 52,126,369,344
  5. Step 5: Solve for x
    x = 52,126,369,344/155,518.50
  6. Step 6: Final answer
    x = 335,177.93

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.