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Finding the Third Proportional to 79,017 and 106,438.50

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Solution

The third proportional to 79,017 and 106,438.50 is: 143,376.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,017 : 106,438.50 = 106,438.50 : x
  2. Step 2: Convert to fraction form
    79,017/106,438.50 = 106,438.50/x
  3. Step 3: Cross multiply
    79,017x = 106,438.50 × 106,438.50
  4. Step 4: Simplify right side
    79,017x = 11,329,154,282.25
  5. Step 5: Solve for x
    x = 11,329,154,282.25/79,017
  6. Step 6: Final answer
    x = 143,376.16

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.