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Finding the Third Proportional to 240,248 and 358,424

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Solution

The third proportional to 240,248 and 358,424 is: 534,729.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,248 : 358,424 = 358,424 : x
  2. Step 2: Convert to fraction form
    240,248/358,424 = 358,424/x
  3. Step 3: Cross multiply
    240,248x = 358,424 × 358,424
  4. Step 4: Simplify right side
    240,248x = 128,467,763,776
  5. Step 5: Solve for x
    x = 128,467,763,776/240,248
  6. Step 6: Final answer
    x = 534,729.79

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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.