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Finding the Third Proportional to 216,056.25 and 327,070.13

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Solution

The third proportional to 216,056.25 and 327,070.13 is: 495,125.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,056.25 : 327,070.13 = 327,070.13 : x
  2. Step 2: Convert to fraction form
    216,056.25/327,070.13 = 327,070.13/x
  3. Step 3: Cross multiply
    216,056.25x = 327,070.13 × 327,070.13
  4. Step 4: Simplify right side
    216,056.25x = 106,974,866,667.52
  5. Step 5: Solve for x
    x = 106,974,866,667.52/216,056.25
  6. Step 6: Final answer
    x = 495,125.07

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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.