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Finding the Third Proportional to 90,920,080 and 199,442,756

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Solution

The third proportional to 90,920,080 and 199,442,756 is: 437,498,657.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,920,080 : 199,442,756 = 199,442,756 : x
  2. Step 2: Convert to fraction form
    90,920,080/199,442,756 = 199,442,756/x
  3. Step 3: Cross multiply
    90,920,080x = 199,442,756 × 199,442,756
  4. Step 4: Simplify right side
    90,920,080x = 39,777,412,920,875,536
  5. Step 5: Solve for x
    x = 39,777,412,920,875,536/90,920,080
  6. Step 6: Final answer
    x = 437,498,657.29

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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.