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Finding the Third Proportional to 90,623,078.87 and 134,235,849.51

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Solution

The third proportional to 90,623,078.87 and 134,235,849.51 is: 198,837,465.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,623,078.87 : 134,235,849.51 = 134,235,849.51 : x
  2. Step 2: Convert to fraction form
    90,623,078.87/134,235,849.51 = 134,235,849.51/x
  3. Step 3: Cross multiply
    90,623,078.87x = 134,235,849.51 × 134,235,849.51
  4. Step 4: Simplify right side
    90,623,078.87x = 18,019,263,292,822,996
  5. Step 5: Solve for x
    x = 18,019,263,292,822,996/90,623,078.87
  6. Step 6: Final answer
    x = 198,837,465.21

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.