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Finding the Third Proportional to 8,729,946 and 13,215,703.50

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Solution

The third proportional to 8,729,946 and 13,215,703.50 is: 20,006,403.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729,946 : 13,215,703.50 = 13,215,703.50 : x
  2. Step 2: Convert to fraction form
    8,729,946/13,215,703.50 = 13,215,703.50/x
  3. Step 3: Cross multiply
    8,729,946x = 13,215,703.50 × 13,215,703.50
  4. Step 4: Simplify right side
    8,729,946x = 174,654,818,999,912.25
  5. Step 5: Solve for x
    x = 174,654,818,999,912.25/8,729,946
  6. Step 6: Final answer
    x = 20,006,403.13

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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.