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Finding the Third Proportional to 25,428.50 and 36,988.50

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Solution

The third proportional to 25,428.50 and 36,988.50 is: 53,803.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,428.50 : 36,988.50 = 36,988.50 : x
  2. Step 2: Convert to fraction form
    25,428.50/36,988.50 = 36,988.50/x
  3. Step 3: Cross multiply
    25,428.50x = 36,988.50 × 36,988.50
  4. Step 4: Simplify right side
    25,428.50x = 1,368,149,132.25
  5. Step 5: Solve for x
    x = 1,368,149,132.25/25,428.50
  6. Step 6: Final answer
    x = 53,803.77

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.