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Finding the Third Proportional to 90,155,610 and 135,251,883

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Solution

The third proportional to 90,155,610 and 135,251,883 is: 202,905,530.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,155,610 : 135,251,883 = 135,251,883 : x
  2. Step 2: Convert to fraction form
    90,155,610/135,251,883 = 135,251,883/x
  3. Step 3: Cross multiply
    90,155,610x = 135,251,883 × 135,251,883
  4. Step 4: Simplify right side
    90,155,610x = 18,293,071,855,045,688
  5. Step 5: Solve for x
    x = 18,293,071,855,045,688/90,155,610
  6. Step 6: Final answer
    x = 202,905,530.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.