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Finding the Third Proportional to 16,470 and 25,335

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Solution

The third proportional to 16,470 and 25,335 is: 38,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,470 : 25,335 = 25,335 : x
  2. Step 2: Convert to fraction form
    16,470/25,335 = 25,335/x
  3. Step 3: Cross multiply
    16,470x = 25,335 × 25,335
  4. Step 4: Simplify right side
    16,470x = 641,862,225
  5. Step 5: Solve for x
    x = 641,862,225/16,470
  6. Step 6: Final answer
    x = 38,971.60

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.