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Finding the Third Proportional to 8,070 and 12,346

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Solution

The third proportional to 8,070 and 12,346 is: 18,887.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070 : 12,346 = 12,346 : x
  2. Step 2: Convert to fraction form
    8,070/12,346 = 12,346/x
  3. Step 3: Cross multiply
    8,070x = 12,346 × 12,346
  4. Step 4: Simplify right side
    8,070x = 152,423,716
  5. Step 5: Solve for x
    x = 152,423,716/8,070
  6. Step 6: Final answer
    x = 18,887.70

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.