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Finding the Third Proportional to 207,915.75 and 352,539

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Solution

The third proportional to 207,915.75 and 352,539 is: 597,760.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,915.75 : 352,539 = 352,539 : x
  2. Step 2: Convert to fraction form
    207,915.75/352,539 = 352,539/x
  3. Step 3: Cross multiply
    207,915.75x = 352,539 × 352,539
  4. Step 4: Simplify right side
    207,915.75x = 124,283,746,521
  5. Step 5: Solve for x
    x = 124,283,746,521/207,915.75
  6. Step 6: Final answer
    x = 597,760.13

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Why These Related Problems?

These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.