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Finding the Third Proportional to 243,869 and 532,426

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Solution

The third proportional to 243,869 and 532,426 is: 1,162,416.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,869 : 532,426 = 532,426 : x
  2. Step 2: Convert to fraction form
    243,869/532,426 = 532,426/x
  3. Step 3: Cross multiply
    243,869x = 532,426 × 532,426
  4. Step 4: Simplify right side
    243,869x = 283,477,445,476
  5. Step 5: Solve for x
    x = 283,477,445,476/243,869
  6. Step 6: Final answer
    x = 1,162,416.89

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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.