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Finding the Third Proportional to 217,248 and 324,528

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Solution

The third proportional to 217,248 and 324,528 is: 484,784.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,248 : 324,528 = 324,528 : x
  2. Step 2: Convert to fraction form
    217,248/324,528 = 324,528/x
  3. Step 3: Cross multiply
    217,248x = 324,528 × 324,528
  4. Step 4: Simplify right side
    217,248x = 105,318,422,784
  5. Step 5: Solve for x
    x = 105,318,422,784/217,248
  6. Step 6: Final answer
    x = 484,784.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.