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Finding the Third Proportional to 3,798,288 and 8,785,487

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Solution

The third proportional to 3,798,288 and 8,785,487 is: 20,320,939.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798,288 : 8,785,487 = 8,785,487 : x
  2. Step 2: Convert to fraction form
    3,798,288/8,785,487 = 8,785,487/x
  3. Step 3: Cross multiply
    3,798,288x = 8,785,487 × 8,785,487
  4. Step 4: Simplify right side
    3,798,288x = 77,184,781,827,169
  5. Step 5: Solve for x
    x = 77,184,781,827,169/3,798,288
  6. Step 6: Final answer
    x = 20,320,939.81

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.