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Finding the Third Proportional to 139,816,088 and 217,085,400

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Solution

The third proportional to 139,816,088 and 217,085,400 is: 337,057,570.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,816,088 : 217,085,400 = 217,085,400 : x
  2. Step 2: Convert to fraction form
    139,816,088/217,085,400 = 217,085,400/x
  3. Step 3: Cross multiply
    139,816,088x = 217,085,400 × 217,085,400
  4. Step 4: Simplify right side
    139,816,088x = 47,126,070,893,160,000
  5. Step 5: Solve for x
    x = 47,126,070,893,160,000/139,816,088
  6. Step 6: Final answer
    x = 337,057,570.18

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.