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Finding the Third Proportional to 7,038.75 and 10,323

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Solution

The third proportional to 7,038.75 and 10,323 is: 15,139.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038.75 : 10,323 = 10,323 : x
  2. Step 2: Convert to fraction form
    7,038.75/10,323 = 10,323/x
  3. Step 3: Cross multiply
    7,038.75x = 10,323 × 10,323
  4. Step 4: Simplify right side
    7,038.75x = 106,564,329
  5. Step 5: Solve for x
    x = 106,564,329/7,038.75
  6. Step 6: Final answer
    x = 15,139.67

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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.