Home / 87,455,811.38-191,386,374.75

Finding the Third Proportional to 87,455,811.38 and 191,386,374.75

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Solution

The third proportional to 87,455,811.38 and 191,386,374.75 is: 418,825,734.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,455,811.38 : 191,386,374.75 = 191,386,374.75 : x
  2. Step 2: Convert to fraction form
    87,455,811.38/191,386,374.75 = 191,386,374.75/x
  3. Step 3: Cross multiply
    87,455,811.38x = 191,386,374.75 × 191,386,374.75
  4. Step 4: Simplify right side
    87,455,811.38x = 36,628,744,439,947,440
  5. Step 5: Solve for x
    x = 36,628,744,439,947,440/87,455,811.38
  6. Step 6: Final answer
    x = 418,825,734.55

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.