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Finding the Third Proportional to 190,044 and 409,248

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Solution

The third proportional to 190,044 and 409,248 is: 881,290.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,044 : 409,248 = 409,248 : x
  2. Step 2: Convert to fraction form
    190,044/409,248 = 409,248/x
  3. Step 3: Cross multiply
    190,044x = 409,248 × 409,248
  4. Step 4: Simplify right side
    190,044x = 167,483,925,504
  5. Step 5: Solve for x
    x = 167,483,925,504/190,044
  6. Step 6: Final answer
    x = 881,290.26

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.