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Finding the Third Proportional to 75,280 and 148,656

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Solution

The third proportional to 75,280 and 148,656 is: 293,552.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,280 : 148,656 = 148,656 : x
  2. Step 2: Convert to fraction form
    75,280/148,656 = 148,656/x
  3. Step 3: Cross multiply
    75,280x = 148,656 × 148,656
  4. Step 4: Simplify right side
    75,280x = 22,098,606,336
  5. Step 5: Solve for x
    x = 22,098,606,336/75,280
  6. Step 6: Final answer
    x = 293,552.16

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.