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Finding the Third Proportional to 4,218,808 and 8,736,696

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Solution

The third proportional to 4,218,808 and 8,736,696 is: 18,092,754.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218,808 : 8,736,696 = 8,736,696 : x
  2. Step 2: Convert to fraction form
    4,218,808/8,736,696 = 8,736,696/x
  3. Step 3: Cross multiply
    4,218,808x = 8,736,696 × 8,736,696
  4. Step 4: Simplify right side
    4,218,808x = 76,329,856,996,416
  5. Step 5: Solve for x
    x = 76,329,856,996,416/4,218,808
  6. Step 6: Final answer
    x = 18,092,754.40

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.