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Finding the Third Proportional to 118,216.13 and 256,527

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Solution

The third proportional to 118,216.13 and 256,527 is: 556,659.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,216.13 : 256,527 = 256,527 : x
  2. Step 2: Convert to fraction form
    118,216.13/256,527 = 256,527/x
  3. Step 3: Cross multiply
    118,216.13x = 256,527 × 256,527
  4. Step 4: Simplify right side
    118,216.13x = 65,806,101,729
  5. Step 5: Solve for x
    x = 65,806,101,729/118,216.13
  6. Step 6: Final answer
    x = 556,659.27

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.