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Finding the Third Proportional to 4,781,997 and 10,272,489.75

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Solution

The third proportional to 4,781,997 and 10,272,489.75 is: 22,066,941.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781,997 : 10,272,489.75 = 10,272,489.75 : x
  2. Step 2: Convert to fraction form
    4,781,997/10,272,489.75 = 10,272,489.75/x
  3. Step 3: Cross multiply
    4,781,997x = 10,272,489.75 × 10,272,489.75
  4. Step 4: Simplify right side
    4,781,997x = 105,524,045,663,855.06
  5. Step 5: Solve for x
    x = 105,524,045,663,855.06/4,781,997
  6. Step 6: Final answer
    x = 22,066,941.00

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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.