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Finding the Third Proportional to 4,690 and 7,527

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Solution

The third proportional to 4,690 and 7,527 is: 12,080.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690 : 7,527 = 7,527 : x
  2. Step 2: Convert to fraction form
    4,690/7,527 = 7,527/x
  3. Step 3: Cross multiply
    4,690x = 7,527 × 7,527
  4. Step 4: Simplify right side
    4,690x = 56,655,729
  5. Step 5: Solve for x
    x = 56,655,729/4,690
  6. Step 6: Final answer
    x = 12,080.11

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.