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Finding the Third Proportional to 13,280 and 28,888

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Solution

The third proportional to 13,280 and 28,888 is: 62,840.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280 : 28,888 = 28,888 : x
  2. Step 2: Convert to fraction form
    13,280/28,888 = 28,888/x
  3. Step 3: Cross multiply
    13,280x = 28,888 × 28,888
  4. Step 4: Simplify right side
    13,280x = 834,516,544
  5. Step 5: Solve for x
    x = 834,516,544/13,280
  6. Step 6: Final answer
    x = 62,840.10

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.