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Finding the Third Proportional to 155,548.50 and 247,332

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Solution

The third proportional to 155,548.50 and 247,332 is: 393,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,548.50 : 247,332 = 247,332 : x
  2. Step 2: Convert to fraction form
    155,548.50/247,332 = 247,332/x
  3. Step 3: Cross multiply
    155,548.50x = 247,332 × 247,332
  4. Step 4: Simplify right side
    155,548.50x = 61,173,118,224
  5. Step 5: Solve for x
    x = 61,173,118,224/155,548.50
  6. Step 6: Final answer
    x = 393,273.60

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.