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Finding the Third Proportional to 4,558,745 and 7,218,657

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Solution

The third proportional to 4,558,745 and 7,218,657 is: 11,430,560.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,558,745 : 7,218,657 = 7,218,657 : x
  2. Step 2: Convert to fraction form
    4,558,745/7,218,657 = 7,218,657/x
  3. Step 3: Cross multiply
    4,558,745x = 7,218,657 × 7,218,657
  4. Step 4: Simplify right side
    4,558,745x = 52,109,008,883,649
  5. Step 5: Solve for x
    x = 52,109,008,883,649/4,558,745
  6. Step 6: Final answer
    x = 11,430,560.14

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.