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Finding the Third Proportional to 30,303,834 and 66,276,396

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Solution

The third proportional to 30,303,834 and 66,276,396 is: 144,950,657.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,303,834 : 66,276,396 = 66,276,396 : x
  2. Step 2: Convert to fraction form
    30,303,834/66,276,396 = 66,276,396/x
  3. Step 3: Cross multiply
    30,303,834x = 66,276,396 × 66,276,396
  4. Step 4: Simplify right side
    30,303,834x = 4,392,560,666,748,816
  5. Step 5: Solve for x
    x = 4,392,560,666,748,816/30,303,834
  6. Step 6: Final answer
    x = 144,950,657.62

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.