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Finding the Third Proportional to 4,502,225,680 and 9,920,414,912

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Solution

The third proportional to 4,502,225,680 and 9,920,414,912 is: 21,859,106,810.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,502,225,680 : 9,920,414,912 = 9,920,414,912 : x
  2. Step 2: Convert to fraction form
    4,502,225,680/9,920,414,912 = 9,920,414,912/x
  3. Step 3: Cross multiply
    4,502,225,680x = 9,920,414,912 × 9,920,414,912
  4. Step 4: Simplify right side
    4,502,225,680x = 98,414,632,026,231,963,648
  5. Step 5: Solve for x
    x = 98,414,632,026,231,963,648/4,502,225,680
  6. Step 6: Final answer
    x = 21,859,106,810.97

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.