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Finding the Third Proportional to 7,430 and 10,644

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Solution

The third proportional to 7,430 and 10,644 is: 15,248.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430 : 10,644 = 10,644 : x
  2. Step 2: Convert to fraction form
    7,430/10,644 = 10,644/x
  3. Step 3: Cross multiply
    7,430x = 10,644 × 10,644
  4. Step 4: Simplify right side
    7,430x = 113,294,736
  5. Step 5: Solve for x
    x = 113,294,736/7,430
  6. Step 6: Final answer
    x = 15,248.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.