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Finding the Third Proportional to 243,504 and 374,490

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Solution

The third proportional to 243,504 and 374,490 is: 575,936.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,504 : 374,490 = 374,490 : x
  2. Step 2: Convert to fraction form
    243,504/374,490 = 374,490/x
  3. Step 3: Cross multiply
    243,504x = 374,490 × 374,490
  4. Step 4: Simplify right side
    243,504x = 140,242,760,100
  5. Step 5: Solve for x
    x = 140,242,760,100/243,504
  6. Step 6: Final answer
    x = 575,936.17

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.