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Finding the Third Proportional to 54,136.13 and 83,317.50

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Solution

The third proportional to 54,136.13 and 83,317.50 is: 128,228.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,136.13 : 83,317.50 = 83,317.50 : x
  2. Step 2: Convert to fraction form
    54,136.13/83,317.50 = 83,317.50/x
  3. Step 3: Cross multiply
    54,136.13x = 83,317.50 × 83,317.50
  4. Step 4: Simplify right side
    54,136.13x = 6,941,805,806.25
  5. Step 5: Solve for x
    x = 6,941,805,806.25/54,136.13
  6. Step 6: Final answer
    x = 128,228.72

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.