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Finding the Third Proportional to 3,378,312 and 7,288,069.50

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Solution

The third proportional to 3,378,312 and 7,288,069.50 is: 15,722,632.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378,312 : 7,288,069.50 = 7,288,069.50 : x
  2. Step 2: Convert to fraction form
    3,378,312/7,288,069.50 = 7,288,069.50/x
  3. Step 3: Cross multiply
    3,378,312x = 7,288,069.50 × 7,288,069.50
  4. Step 4: Simplify right side
    3,378,312x = 53,115,957,036,830.25
  5. Step 5: Solve for x
    x = 53,115,957,036,830.25/3,378,312
  6. Step 6: Final answer
    x = 15,722,632.20

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.