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Finding the Third Proportional to 9,106,572 and 18,578,940

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Solution

The third proportional to 9,106,572 and 18,578,940 is: 37,904,165.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106,572 : 18,578,940 = 18,578,940 : x
  2. Step 2: Convert to fraction form
    9,106,572/18,578,940 = 18,578,940/x
  3. Step 3: Cross multiply
    9,106,572x = 18,578,940 × 18,578,940
  4. Step 4: Simplify right side
    9,106,572x = 345,177,011,523,600
  5. Step 5: Solve for x
    x = 345,177,011,523,600/9,106,572
  6. Step 6: Final answer
    x = 37,904,165.42

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.