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Finding the Third Proportional to 6,866,289 and 10,387,804.50

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Solution

The third proportional to 6,866,289 and 10,387,804.50 is: 15,715,400.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866,289 : 10,387,804.50 = 10,387,804.50 : x
  2. Step 2: Convert to fraction form
    6,866,289/10,387,804.50 = 10,387,804.50/x
  3. Step 3: Cross multiply
    6,866,289x = 10,387,804.50 × 10,387,804.50
  4. Step 4: Simplify right side
    6,866,289x = 107,906,482,330,220.25
  5. Step 5: Solve for x
    x = 107,906,482,330,220.25/6,866,289
  6. Step 6: Final answer
    x = 15,715,400.61

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.