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Finding the Third Proportional to 132,346 and 288,492

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Solution

The third proportional to 132,346 and 288,492 is: 628,863.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,346 : 288,492 = 288,492 : x
  2. Step 2: Convert to fraction form
    132,346/288,492 = 288,492/x
  3. Step 3: Cross multiply
    132,346x = 288,492 × 288,492
  4. Step 4: Simplify right side
    132,346x = 83,227,634,064
  5. Step 5: Solve for x
    x = 83,227,634,064/132,346
  6. Step 6: Final answer
    x = 628,863.99

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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.