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Finding the Third Proportional to 20,829,087 and 45,122,430

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Solution

The third proportional to 20,829,087 and 45,122,430 is: 97,749,540.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,829,087 : 45,122,430 = 45,122,430 : x
  2. Step 2: Convert to fraction form
    20,829,087/45,122,430 = 45,122,430/x
  3. Step 3: Cross multiply
    20,829,087x = 45,122,430 × 45,122,430
  4. Step 4: Simplify right side
    20,829,087x = 2,036,033,689,104,900
  5. Step 5: Solve for x
    x = 2,036,033,689,104,900/20,829,087
  6. Step 6: Final answer
    x = 97,749,540.78

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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.