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Finding the Third Proportional to 118,870,229.25 and 258,843,437.25

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Solution

The third proportional to 118,870,229.25 and 258,843,437.25 is: 563,639,234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,870,229.25 : 258,843,437.25 = 258,843,437.25 : x
  2. Step 2: Convert to fraction form
    118,870,229.25/258,843,437.25 = 258,843,437.25/x
  3. Step 3: Cross multiply
    118,870,229.25x = 258,843,437.25 × 258,843,437.25
  4. Step 4: Simplify right side
    118,870,229.25x = 66,999,925,007,394,688
  5. Step 5: Solve for x
    x = 66,999,925,007,394,688/118,870,229.25
  6. Step 6: Final answer
    x = 563,639,234.40

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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.