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Finding the Third Proportional to 89,437.50 and 121,448.25

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Solution

The third proportional to 89,437.50 and 121,448.25 is: 164,916.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,437.50 : 121,448.25 = 121,448.25 : x
  2. Step 2: Convert to fraction form
    89,437.50/121,448.25 = 121,448.25/x
  3. Step 3: Cross multiply
    89,437.50x = 121,448.25 × 121,448.25
  4. Step 4: Simplify right side
    89,437.50x = 14,749,677,428.06
  5. Step 5: Solve for x
    x = 14,749,677,428.06/89,437.50
  6. Step 6: Final answer
    x = 164,916.03

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.