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Finding the Third Proportional to 4,558,749 and 7,218,663

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Solution

The third proportional to 4,558,749 and 7,218,663 is: 11,430,569.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,558,749 : 7,218,663 = 7,218,663 : x
  2. Step 2: Convert to fraction form
    4,558,749/7,218,663 = 7,218,663/x
  3. Step 3: Cross multiply
    4,558,749x = 7,218,663 × 7,218,663
  4. Step 4: Simplify right side
    4,558,749x = 52,109,095,507,569
  5. Step 5: Solve for x
    x = 52,109,095,507,569/4,558,749
  6. Step 6: Final answer
    x = 11,430,569.11

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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.