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Finding the Third Proportional to 7,691,220 and 12,064,806

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Solution

The third proportional to 7,691,220 and 12,064,806 is: 18,925,416.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691,220 : 12,064,806 = 12,064,806 : x
  2. Step 2: Convert to fraction form
    7,691,220/12,064,806 = 12,064,806/x
  3. Step 3: Cross multiply
    7,691,220x = 12,064,806 × 12,064,806
  4. Step 4: Simplify right side
    7,691,220x = 145,559,543,817,636
  5. Step 5: Solve for x
    x = 145,559,543,817,636/7,691,220
  6. Step 6: Final answer
    x = 18,925,416.75

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.