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Finding the Third Proportional to 9,957 and 15,417

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Solution

The third proportional to 9,957 and 15,417 is: 23,871.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,957 : 15,417 = 15,417 : x
  2. Step 2: Convert to fraction form
    9,957/15,417 = 15,417/x
  3. Step 3: Cross multiply
    9,957x = 15,417 × 15,417
  4. Step 4: Simplify right side
    9,957x = 237,683,889
  5. Step 5: Solve for x
    x = 237,683,889/9,957
  6. Step 6: Final answer
    x = 23,871.03

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.