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Finding the Third Proportional to 10,358 and 16,409

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Solution

The third proportional to 10,358 and 16,409 is: 25,994.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358 : 16,409 = 16,409 : x
  2. Step 2: Convert to fraction form
    10,358/16,409 = 16,409/x
  3. Step 3: Cross multiply
    10,358x = 16,409 × 16,409
  4. Step 4: Simplify right side
    10,358x = 269,255,281
  5. Step 5: Solve for x
    x = 269,255,281/10,358
  6. Step 6: Final answer
    x = 25,994.91

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.