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Finding the Third Proportional to 5,506 and 8,528

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Solution

The third proportional to 5,506 and 8,528 is: 13,208.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,506 : 8,528 = 8,528 : x
  2. Step 2: Convert to fraction form
    5,506/8,528 = 8,528/x
  3. Step 3: Cross multiply
    5,506x = 8,528 × 8,528
  4. Step 4: Simplify right side
    5,506x = 72,726,784
  5. Step 5: Solve for x
    x = 72,726,784/5,506
  6. Step 6: Final answer
    x = 13,208.64

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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.