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Finding the Third Proportional to 51,925.50 and 81,346.50

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Solution

The third proportional to 51,925.50 and 81,346.50 is: 127,437.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,925.50 : 81,346.50 = 81,346.50 : x
  2. Step 2: Convert to fraction form
    51,925.50/81,346.50 = 81,346.50/x
  3. Step 3: Cross multiply
    51,925.50x = 81,346.50 × 81,346.50
  4. Step 4: Simplify right side
    51,925.50x = 6,617,253,062.25
  5. Step 5: Solve for x
    x = 6,617,253,062.25/51,925.50
  6. Step 6: Final answer
    x = 127,437.45

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.