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Finding the Third Proportional to 90,920,101 and 199,442,798

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Solution

The third proportional to 90,920,101 and 199,442,798 is: 437,498,740.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,920,101 : 199,442,798 = 199,442,798 : x
  2. Step 2: Convert to fraction form
    90,920,101/199,442,798 = 199,442,798/x
  3. Step 3: Cross multiply
    90,920,101x = 199,442,798 × 199,442,798
  4. Step 4: Simplify right side
    90,920,101x = 39,777,429,674,068,800
  5. Step 5: Solve for x
    x = 39,777,429,674,068,800/90,920,101
  6. Step 6: Final answer
    x = 437,498,740.50

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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.