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Finding the Third Proportional to 7,306 and 11,316

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Solution

The third proportional to 7,306 and 11,316 is: 17,526.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,306 : 11,316 = 11,316 : x
  2. Step 2: Convert to fraction form
    7,306/11,316 = 11,316/x
  3. Step 3: Cross multiply
    7,306x = 11,316 × 11,316
  4. Step 4: Simplify right side
    7,306x = 128,051,856
  5. Step 5: Solve for x
    x = 128,051,856/7,306
  6. Step 6: Final answer
    x = 17,526.94

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.