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Finding the Third Proportional to 40,862,138 and 60,938,859

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Solution

The third proportional to 40,862,138 and 60,938,859 is: 90,879,839.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,862,138 : 60,938,859 = 60,938,859 : x
  2. Step 2: Convert to fraction form
    40,862,138/60,938,859 = 60,938,859/x
  3. Step 3: Cross multiply
    40,862,138x = 60,938,859 × 60,938,859
  4. Step 4: Simplify right side
    40,862,138x = 3,713,544,536,221,881
  5. Step 5: Solve for x
    x = 3,713,544,536,221,881/40,862,138
  6. Step 6: Final answer
    x = 90,879,839.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.