Home / 15,429,382.88-21,015,544.50

Finding the Third Proportional to 15,429,382.88 and 21,015,544.50

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Solution

The third proportional to 15,429,382.88 and 21,015,544.50 is: 28,624,159.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,429,382.88 : 21,015,544.50 = 21,015,544.50 : x
  2. Step 2: Convert to fraction form
    15,429,382.88/21,015,544.50 = 21,015,544.50/x
  3. Step 3: Cross multiply
    15,429,382.88x = 21,015,544.50 × 21,015,544.50
  4. Step 4: Simplify right side
    15,429,382.88x = 441,653,110,631,480.25
  5. Step 5: Solve for x
    x = 441,653,110,631,480.25/15,429,382.88
  6. Step 6: Final answer
    x = 28,624,159.13

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.