Home / 20,715,934.69-28,803,859.13

Finding the Third Proportional to 20,715,934.69 and 28,803,859.13

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Solution

The third proportional to 20,715,934.69 and 28,803,859.13 is: 40,049,474.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,715,934.69 : 28,803,859.13 = 28,803,859.13 : x
  2. Step 2: Convert to fraction form
    20,715,934.69/28,803,859.13 = 28,803,859.13/x
  3. Step 3: Cross multiply
    20,715,934.69x = 28,803,859.13 × 28,803,859.13
  4. Step 4: Simplify right side
    20,715,934.69x = 829,662,300,492,845.75
  5. Step 5: Solve for x
    x = 829,662,300,492,845.75/20,715,934.69
  6. Step 6: Final answer
    x = 40,049,474.62

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.