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Finding the Third Proportional to 1,430 and 3,527

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Solution

The third proportional to 1,430 and 3,527 is: 8,699.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430 : 3,527 = 3,527 : x
  2. Step 2: Convert to fraction form
    1,430/3,527 = 3,527/x
  3. Step 3: Cross multiply
    1,430x = 3,527 × 3,527
  4. Step 4: Simplify right side
    1,430x = 12,439,729
  5. Step 5: Solve for x
    x = 12,439,729/1,430
  6. Step 6: Final answer
    x = 8,699.11

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Why These Related Problems?

These problems maintain the same ratio (2.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.