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Finding the Third Proportional to 108,574,378 and 236,657,876

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Solution

The third proportional to 108,574,378 and 236,657,876 is: 515,839,476.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,574,378 : 236,657,876 = 236,657,876 : x
  2. Step 2: Convert to fraction form
    108,574,378/236,657,876 = 236,657,876/x
  3. Step 3: Cross multiply
    108,574,378x = 236,657,876 × 236,657,876
  4. Step 4: Simplify right side
    108,574,378x = 56,006,950,272,831,376
  5. Step 5: Solve for x
    x = 56,006,950,272,831,376/108,574,378
  6. Step 6: Final answer
    x = 515,839,476.17

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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.