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Finding the Third Proportional to 61,319,240 and 133,524,880

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Solution

The third proportional to 61,319,240 and 133,524,880 is: 290,755,292.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,319,240 : 133,524,880 = 133,524,880 : x
  2. Step 2: Convert to fraction form
    61,319,240/133,524,880 = 133,524,880/x
  3. Step 3: Cross multiply
    61,319,240x = 133,524,880 × 133,524,880
  4. Step 4: Simplify right side
    61,319,240x = 17,828,893,579,014,400
  5. Step 5: Solve for x
    x = 17,828,893,579,014,400/61,319,240
  6. Step 6: Final answer
    x = 290,755,292.78

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.