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Finding the Third Proportional to 118,870,300 and 258,843,580

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Solution

The third proportional to 118,870,300 and 258,843,580 is: 563,639,520.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,870,300 : 258,843,580 = 258,843,580 : x
  2. Step 2: Convert to fraction form
    118,870,300/258,843,580 = 258,843,580/x
  3. Step 3: Cross multiply
    118,870,300x = 258,843,580 × 258,843,580
  4. Step 4: Simplify right side
    118,870,300x = 66,999,998,907,216,400
  5. Step 5: Solve for x
    x = 66,999,998,907,216,400/118,870,300
  6. Step 6: Final answer
    x = 563,639,520.61

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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.