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Finding the Third Proportional to 91,515 and 134,302.50

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Solution

The third proportional to 91,515 and 134,302.50 is: 197,095.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,515 : 134,302.50 = 134,302.50 : x
  2. Step 2: Convert to fraction form
    91,515/134,302.50 = 134,302.50/x
  3. Step 3: Cross multiply
    91,515x = 134,302.50 × 134,302.50
  4. Step 4: Simplify right side
    91,515x = 18,037,161,506.25
  5. Step 5: Solve for x
    x = 18,037,161,506.25/91,515
  6. Step 6: Final answer
    x = 197,095.14

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.