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Finding the Third Proportional to 8,129,516 and 11,888,937

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Solution

The third proportional to 8,129,516 and 11,888,937 is: 17,386,868.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,516 : 11,888,937 = 11,888,937 : x
  2. Step 2: Convert to fraction form
    8,129,516/11,888,937 = 11,888,937/x
  3. Step 3: Cross multiply
    8,129,516x = 11,888,937 × 11,888,937
  4. Step 4: Simplify right side
    8,129,516x = 141,346,822,989,969
  5. Step 5: Solve for x
    x = 141,346,822,989,969/8,129,516
  6. Step 6: Final answer
    x = 17,386,868.17

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.