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Finding the Third Proportional to 115,578,940.50 and 169,221,858.75

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Solution

The third proportional to 115,578,940.50 and 169,221,858.75 is: 247,761,723.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,578,940.50 : 169,221,858.75 = 169,221,858.75 : x
  2. Step 2: Convert to fraction form
    115,578,940.50/169,221,858.75 = 169,221,858.75/x
  3. Step 3: Cross multiply
    115,578,940.50x = 169,221,858.75 × 169,221,858.75
  4. Step 4: Simplify right side
    115,578,940.50x = 28,636,037,478,804,952
  5. Step 5: Solve for x
    x = 28,636,037,478,804,952/115,578,940.50
  6. Step 6: Final answer
    x = 247,761,723.33

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.