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Finding the Third Proportional to 8,889,590 and 13,458,315

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Solution

The third proportional to 8,889,590 and 13,458,315 is: 20,375,095.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,590 : 13,458,315 = 13,458,315 : x
  2. Step 2: Convert to fraction form
    8,889,590/13,458,315 = 13,458,315/x
  3. Step 3: Cross multiply
    8,889,590x = 13,458,315 × 13,458,315
  4. Step 4: Simplify right side
    8,889,590x = 181,126,242,639,225
  5. Step 5: Solve for x
    x = 181,126,242,639,225/8,889,590
  6. Step 6: Final answer
    x = 20,375,095.21

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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.