Home / 70,718,747.63-105,642,589.50

Finding the Third Proportional to 70,718,747.63 and 105,642,589.50

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Solution

The third proportional to 70,718,747.63 and 105,642,589.50 is: 157,813,268.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,718,747.63 : 105,642,589.50 = 105,642,589.50 : x
  2. Step 2: Convert to fraction form
    70,718,747.63/105,642,589.50 = 105,642,589.50/x
  3. Step 3: Cross multiply
    70,718,747.63x = 105,642,589.50 × 105,642,589.50
  4. Step 4: Simplify right side
    70,718,747.63x = 11,160,356,716,265,510
  5. Step 5: Solve for x
    x = 11,160,356,716,265,510/70,718,747.63
  6. Step 6: Final answer
    x = 157,813,268.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.