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Finding the Third Proportional to 1,398,902,238 and 3,015,717,385.50

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Solution

The third proportional to 1,398,902,238 and 3,015,717,385.50 is: 6,501,205,804.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,902,238 : 3,015,717,385.50 = 3,015,717,385.50 : x
  2. Step 2: Convert to fraction form
    1,398,902,238/3,015,717,385.50 = 3,015,717,385.50/x
  3. Step 3: Cross multiply
    1,398,902,238x = 3,015,717,385.50 × 3,015,717,385.50
  4. Step 4: Simplify right side
    1,398,902,238x = 9,094,551,349,206,956,032
  5. Step 5: Solve for x
    x = 9,094,551,349,206,956,032/1,398,902,238
  6. Step 6: Final answer
    x = 6,501,205,804.21

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.