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Finding the Third Proportional to 8,382,720 and 12,623,040

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Solution

The third proportional to 8,382,720 and 12,623,040 is: 19,008,285.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382,720 : 12,623,040 = 12,623,040 : x
  2. Step 2: Convert to fraction form
    8,382,720/12,623,040 = 12,623,040/x
  3. Step 3: Cross multiply
    8,382,720x = 12,623,040 × 12,623,040
  4. Step 4: Simplify right side
    8,382,720x = 159,341,138,841,600
  5. Step 5: Solve for x
    x = 159,341,138,841,600/8,382,720
  6. Step 6: Final answer
    x = 19,008,285.96

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.