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Finding the Third Proportional to 7,618 and 8,746

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Solution

The third proportional to 7,618 and 8,746 is: 10,041.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618 : 8,746 = 8,746 : x
  2. Step 2: Convert to fraction form
    7,618/8,746 = 8,746/x
  3. Step 3: Cross multiply
    7,618x = 8,746 × 8,746
  4. Step 4: Simplify right side
    7,618x = 76,492,516
  5. Step 5: Solve for x
    x = 76,492,516/7,618
  6. Step 6: Final answer
    x = 10,041.02

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.