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Finding the Third Proportional to 6,428 and 14,935

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Solution

The third proportional to 6,428 and 14,935 is: 34,700.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428 : 14,935 = 14,935 : x
  2. Step 2: Convert to fraction form
    6,428/14,935 = 14,935/x
  3. Step 3: Cross multiply
    6,428x = 14,935 × 14,935
  4. Step 4: Simplify right side
    6,428x = 223,054,225
  5. Step 5: Solve for x
    x = 223,054,225/6,428
  6. Step 6: Final answer
    x = 34,700.41

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.