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Finding the Third Proportional to 90,558,603 and 141,218,712

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Solution

The third proportional to 90,558,603 and 141,218,712 is: 220,218,995.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,558,603 : 141,218,712 = 141,218,712 : x
  2. Step 2: Convert to fraction form
    90,558,603/141,218,712 = 141,218,712/x
  3. Step 3: Cross multiply
    90,558,603x = 141,218,712 × 141,218,712
  4. Step 4: Simplify right side
    90,558,603x = 19,942,724,618,938,944
  5. Step 5: Solve for x
    x = 19,942,724,618,938,944/90,558,603
  6. Step 6: Final answer
    x = 220,218,995.86

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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.