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Finding the Third Proportional to 81,868,491 and 179,118,882

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Solution

The third proportional to 81,868,491 and 179,118,882 is: 391,891,599.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,868,491 : 179,118,882 = 179,118,882 : x
  2. Step 2: Convert to fraction form
    81,868,491/179,118,882 = 179,118,882/x
  3. Step 3: Cross multiply
    81,868,491x = 179,118,882 × 179,118,882
  4. Step 4: Simplify right side
    81,868,491x = 32,083,573,888,929,924
  5. Step 5: Solve for x
    x = 32,083,573,888,929,924/81,868,491
  6. Step 6: Final answer
    x = 391,891,599.53

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.