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Finding the Third Proportional to 21,042,087 and 45,280,110

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Solution

The third proportional to 21,042,087 and 45,280,110 is: 97,437,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,042,087 : 45,280,110 = 45,280,110 : x
  2. Step 2: Convert to fraction form
    21,042,087/45,280,110 = 45,280,110/x
  3. Step 3: Cross multiply
    21,042,087x = 45,280,110 × 45,280,110
  4. Step 4: Simplify right side
    21,042,087x = 2,050,288,361,612,100
  5. Step 5: Solve for x
    x = 2,050,288,361,612,100/21,042,087
  6. Step 6: Final answer
    x = 97,437,500.45

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.