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Finding the Third Proportional to 71,522 and 106,803

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Solution

The third proportional to 71,522 and 106,803 is: 159,487.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,522 : 106,803 = 106,803 : x
  2. Step 2: Convert to fraction form
    71,522/106,803 = 106,803/x
  3. Step 3: Cross multiply
    71,522x = 106,803 × 106,803
  4. Step 4: Simplify right side
    71,522x = 11,406,880,809
  5. Step 5: Solve for x
    x = 11,406,880,809/71,522
  6. Step 6: Final answer
    x = 159,487.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.