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Finding the Third Proportional to 341,718 and 509,748

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Solution

The third proportional to 341,718 and 509,748 is: 760,401.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,718 : 509,748 = 509,748 : x
  2. Step 2: Convert to fraction form
    341,718/509,748 = 509,748/x
  3. Step 3: Cross multiply
    341,718x = 509,748 × 509,748
  4. Step 4: Simplify right side
    341,718x = 259,843,023,504
  5. Step 5: Solve for x
    x = 259,843,023,504/341,718
  6. Step 6: Final answer
    x = 760,401.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.