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Finding the Third Proportional to 8,616,988 and 18,670,082

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Solution

The third proportional to 8,616,988 and 18,670,082 is: 40,451,717.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,616,988 : 18,670,082 = 18,670,082 : x
  2. Step 2: Convert to fraction form
    8,616,988/18,670,082 = 18,670,082/x
  3. Step 3: Cross multiply
    8,616,988x = 18,670,082 × 18,670,082
  4. Step 4: Simplify right side
    8,616,988x = 348,571,961,886,724
  5. Step 5: Solve for x
    x = 348,571,961,886,724/8,616,988
  6. Step 6: Final answer
    x = 40,451,717.22

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.