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Finding the Third Proportional to 56,999,896 and 122,071,040

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Solution

The third proportional to 56,999,896 and 122,071,040 is: 261,427,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,999,896 : 122,071,040 = 122,071,040 : x
  2. Step 2: Convert to fraction form
    56,999,896/122,071,040 = 122,071,040/x
  3. Step 3: Cross multiply
    56,999,896x = 122,071,040 × 122,071,040
  4. Step 4: Simplify right side
    56,999,896x = 14,901,338,806,681,600
  5. Step 5: Solve for x
    x = 14,901,338,806,681,600/56,999,896
  6. Step 6: Final answer
    x = 261,427,473.60

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.