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Finding the Third Proportional to 218,862,866 and 341,544,603

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Solution

The third proportional to 218,862,866 and 341,544,603 is: 532,994,554.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,862,866 : 341,544,603 = 341,544,603 : x
  2. Step 2: Convert to fraction form
    218,862,866/341,544,603 = 341,544,603/x
  3. Step 3: Cross multiply
    218,862,866x = 341,544,603 × 341,544,603
  4. Step 4: Simplify right side
    218,862,866x = 116,652,715,838,427,616
  5. Step 5: Solve for x
    x = 116,652,715,838,427,616/218,862,866
  6. Step 6: Final answer
    x = 532,994,554.86

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.