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Finding the Third Proportional to 4,912,908 and 10,572,312

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Solution

The third proportional to 4,912,908 and 10,572,312 is: 22,751,042.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912,908 : 10,572,312 = 10,572,312 : x
  2. Step 2: Convert to fraction form
    4,912,908/10,572,312 = 10,572,312/x
  3. Step 3: Cross multiply
    4,912,908x = 10,572,312 × 10,572,312
  4. Step 4: Simplify right side
    4,912,908x = 111,773,781,025,344
  5. Step 5: Solve for x
    x = 111,773,781,025,344/4,912,908
  6. Step 6: Final answer
    x = 22,751,042.97

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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.