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Finding the Third Proportional to 68,526 and 147,231

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Solution

The third proportional to 68,526 and 147,231 is: 316,332.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,526 : 147,231 = 147,231 : x
  2. Step 2: Convert to fraction form
    68,526/147,231 = 147,231/x
  3. Step 3: Cross multiply
    68,526x = 147,231 × 147,231
  4. Step 4: Simplify right side
    68,526x = 21,676,967,361
  5. Step 5: Solve for x
    x = 21,676,967,361/68,526
  6. Step 6: Final answer
    x = 316,332.01

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.