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Finding the Third Proportional to 13,893,840 and 20,985,944

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Solution

The third proportional to 13,893,840 and 20,985,944 is: 31,698,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,893,840 : 20,985,944 = 20,985,944 : x
  2. Step 2: Convert to fraction form
    13,893,840/20,985,944 = 20,985,944/x
  3. Step 3: Cross multiply
    13,893,840x = 20,985,944 × 20,985,944
  4. Step 4: Simplify right side
    13,893,840x = 440,409,845,571,136
  5. Step 5: Solve for x
    x = 440,409,845,571,136/13,893,840
  6. Step 6: Final answer
    x = 31,698,209.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.