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Finding the Third Proportional to 155,953.50 and 235,038

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Solution

The third proportional to 155,953.50 and 235,038 is: 354,226.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,953.50 : 235,038 = 235,038 : x
  2. Step 2: Convert to fraction form
    155,953.50/235,038 = 235,038/x
  3. Step 3: Cross multiply
    155,953.50x = 235,038 × 235,038
  4. Step 4: Simplify right side
    155,953.50x = 55,242,861,444
  5. Step 5: Solve for x
    x = 55,242,861,444/155,953.50
  6. Step 6: Final answer
    x = 354,226.49

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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.