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Finding the Third Proportional to 90,558,412.50 and 141,218,440.50

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Solution

The third proportional to 90,558,412.50 and 141,218,440.50 is: 220,218,612.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,558,412.50 : 141,218,440.50 = 141,218,440.50 : x
  2. Step 2: Convert to fraction form
    90,558,412.50/141,218,440.50 = 141,218,440.50/x
  3. Step 3: Cross multiply
    90,558,412.50x = 141,218,440.50 × 141,218,440.50
  4. Step 4: Simplify right side
    90,558,412.50x = 19,942,647,937,252,040
  5. Step 5: Solve for x
    x = 19,942,647,937,252,040/90,558,412.50
  6. Step 6: Final answer
    x = 220,218,612.35

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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.