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Finding the Third Proportional to 118,870,167 and 258,843,311.50

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Solution

The third proportional to 118,870,167 and 258,843,311.50 is: 563,638,981.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,870,167 : 258,843,311.50 = 258,843,311.50 : x
  2. Step 2: Convert to fraction form
    118,870,167/258,843,311.50 = 258,843,311.50/x
  3. Step 3: Cross multiply
    118,870,167x = 258,843,311.50 × 258,843,311.50
  4. Step 4: Simplify right side
    118,870,167x = 66,999,859,908,286,032
  5. Step 5: Solve for x
    x = 66,999,859,908,286,032/118,870,167
  6. Step 6: Final answer
    x = 563,638,981.92

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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.