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Finding the Third Proportional to 124,492 and 163,410

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Solution

The third proportional to 124,492 and 163,410 is: 214,494.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,492 : 163,410 = 163,410 : x
  2. Step 2: Convert to fraction form
    124,492/163,410 = 163,410/x
  3. Step 3: Cross multiply
    124,492x = 163,410 × 163,410
  4. Step 4: Simplify right side
    124,492x = 26,702,828,100
  5. Step 5: Solve for x
    x = 26,702,828,100/124,492
  6. Step 6: Final answer
    x = 214,494.33

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.