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Finding the Third Proportional to 10,430 and 22,490

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Solution

The third proportional to 10,430 and 22,490 is: 48,494.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430 : 22,490 = 22,490 : x
  2. Step 2: Convert to fraction form
    10,430/22,490 = 22,490/x
  3. Step 3: Cross multiply
    10,430x = 22,490 × 22,490
  4. Step 4: Simplify right side
    10,430x = 505,800,100
  5. Step 5: Solve for x
    x = 505,800,100/10,430
  6. Step 6: Final answer
    x = 48,494.74

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.