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Finding the Third Proportional to 18,439,475,503.50 and 39,675,637,035

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Solution

The third proportional to 18,439,475,503.50 and 39,675,637,035 is: 85,368,815,063.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439,475,503.50 : 39,675,637,035 = 39,675,637,035 : x
  2. Step 2: Convert to fraction form
    18,439,475,503.50/39,675,637,035 = 39,675,637,035/x
  3. Step 3: Cross multiply
    18,439,475,503.50x = 39,675,637,035 × 39,675,637,035
  4. Step 4: Simplify right side
    18,439,475,503.50x = 1,574,156,174,133,063,581,696
  5. Step 5: Solve for x
    x = 1,574,156,174,133,063,581,696/18,439,475,503.50
  6. Step 6: Final answer
    x = 85,368,815,063.87

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.