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Finding the Third Proportional to 299,515.50 and 651,519

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Solution

The third proportional to 299,515.50 and 651,519 is: 1,417,212.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,515.50 : 651,519 = 651,519 : x
  2. Step 2: Convert to fraction form
    299,515.50/651,519 = 651,519/x
  3. Step 3: Cross multiply
    299,515.50x = 651,519 × 651,519
  4. Step 4: Simplify right side
    299,515.50x = 424,477,007,361
  5. Step 5: Solve for x
    x = 424,477,007,361/299,515.50
  6. Step 6: Final answer
    x = 1,417,212.16

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.