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Finding the Third Proportional to 51,565 and 69,572

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Solution

The third proportional to 51,565 and 69,572 is: 93,867.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,565 : 69,572 = 69,572 : x
  2. Step 2: Convert to fraction form
    51,565/69,572 = 69,572/x
  3. Step 3: Cross multiply
    51,565x = 69,572 × 69,572
  4. Step 4: Simplify right side
    51,565x = 4,840,263,184
  5. Step 5: Solve for x
    x = 4,840,263,184/51,565
  6. Step 6: Final answer
    x = 93,867.22

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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.