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Finding the Third Proportional to 9,877.50 and 15,637.50

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Solution

The third proportional to 9,877.50 and 15,637.50 is: 24,756.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,877.50 : 15,637.50 = 15,637.50 : x
  2. Step 2: Convert to fraction form
    9,877.50/15,637.50 = 15,637.50/x
  3. Step 3: Cross multiply
    9,877.50x = 15,637.50 × 15,637.50
  4. Step 4: Simplify right side
    9,877.50x = 244,531,406.25
  5. Step 5: Solve for x
    x = 244,531,406.25/9,877.50
  6. Step 6: Final answer
    x = 24,756.41

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.