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Finding the Third Proportional to 30,156 and 53,508

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Solution

The third proportional to 30,156 and 53,508 is: 94,943.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,156 : 53,508 = 53,508 : x
  2. Step 2: Convert to fraction form
    30,156/53,508 = 53,508/x
  3. Step 3: Cross multiply
    30,156x = 53,508 × 53,508
  4. Step 4: Simplify right side
    30,156x = 2,863,106,064
  5. Step 5: Solve for x
    x = 2,863,106,064/30,156
  6. Step 6: Final answer
    x = 94,943.16

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Why These Related Problems?

These problems maintain the same ratio (1.77) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.