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Finding the Third Proportional to 124,644 and 270,312

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Solution

The third proportional to 124,644 and 270,312 is: 586,218.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,644 : 270,312 = 270,312 : x
  2. Step 2: Convert to fraction form
    124,644/270,312 = 270,312/x
  3. Step 3: Cross multiply
    124,644x = 270,312 × 270,312
  4. Step 4: Simplify right side
    124,644x = 73,068,577,344
  5. Step 5: Solve for x
    x = 73,068,577,344/124,644
  6. Step 6: Final answer
    x = 586,218.17

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.