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Finding the Third Proportional to 43,476 and 63,942

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Solution

The third proportional to 43,476 and 63,942 is: 94,042.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,476 : 63,942 = 63,942 : x
  2. Step 2: Convert to fraction form
    43,476/63,942 = 63,942/x
  3. Step 3: Cross multiply
    43,476x = 63,942 × 63,942
  4. Step 4: Simplify right side
    43,476x = 4,088,579,364
  5. Step 5: Solve for x
    x = 4,088,579,364/43,476
  6. Step 6: Final answer
    x = 94,042.22

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.