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Finding the Third Proportional to 51,304 and 77,636

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Solution

The third proportional to 51,304 and 77,636 is: 117,483.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,304 : 77,636 = 77,636 : x
  2. Step 2: Convert to fraction form
    51,304/77,636 = 77,636/x
  3. Step 3: Cross multiply
    51,304x = 77,636 × 77,636
  4. Step 4: Simplify right side
    51,304x = 6,027,348,496
  5. Step 5: Solve for x
    x = 6,027,348,496/51,304
  6. Step 6: Final answer
    x = 117,483.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.