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Finding the Third Proportional to 228,034.50 and 357,711

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Solution

The third proportional to 228,034.50 and 357,711 is: 561,130.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,034.50 : 357,711 = 357,711 : x
  2. Step 2: Convert to fraction form
    228,034.50/357,711 = 357,711/x
  3. Step 3: Cross multiply
    228,034.50x = 357,711 × 357,711
  4. Step 4: Simplify right side
    228,034.50x = 127,957,159,521
  5. Step 5: Solve for x
    x = 127,957,159,521/228,034.50
  6. Step 6: Final answer
    x = 561,130.70

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.