Home / 77,558,836.50-120,257,646.75

Finding the Third Proportional to 77,558,836.50 and 120,257,646.75

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Solution

The third proportional to 77,558,836.50 and 120,257,646.75 is: 186,463,622.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,558,836.50 : 120,257,646.75 = 120,257,646.75 : x
  2. Step 2: Convert to fraction form
    77,558,836.50/120,257,646.75 = 120,257,646.75/x
  3. Step 3: Cross multiply
    77,558,836.50x = 120,257,646.75 × 120,257,646.75
  4. Step 4: Simplify right side
    77,558,836.50x = 14,461,901,601,847,786
  5. Step 5: Solve for x
    x = 14,461,901,601,847,786/77,558,836.50
  6. Step 6: Final answer
    x = 186,463,622.39

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.