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Finding the Third Proportional to 8,398,080 and 18,423,288

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Solution

The third proportional to 8,398,080 and 18,423,288 is: 40,416,088.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398,080 : 18,423,288 = 18,423,288 : x
  2. Step 2: Convert to fraction form
    8,398,080/18,423,288 = 18,423,288/x
  3. Step 3: Cross multiply
    8,398,080x = 18,423,288 × 18,423,288
  4. Step 4: Simplify right side
    8,398,080x = 339,417,540,730,944
  5. Step 5: Solve for x
    x = 339,417,540,730,944/8,398,080
  6. Step 6: Final answer
    x = 40,416,088.05

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.