Home / 76,607,209.50-121,956,140.25

Finding the Third Proportional to 76,607,209.50 and 121,956,140.25

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Solution

The third proportional to 76,607,209.50 and 121,956,140.25 is: 194,150,136.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,607,209.50 : 121,956,140.25 = 121,956,140.25 : x
  2. Step 2: Convert to fraction form
    76,607,209.50/121,956,140.25 = 121,956,140.25/x
  3. Step 3: Cross multiply
    76,607,209.50x = 121,956,140.25 × 121,956,140.25
  4. Step 4: Simplify right side
    76,607,209.50x = 14,873,300,144,677,670
  5. Step 5: Solve for x
    x = 14,873,300,144,677,670/76,607,209.50
  6. Step 6: Final answer
    x = 194,150,136.02

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.