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Finding the Third Proportional to 131,756,813 and 286,194,820

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Solution

The third proportional to 131,756,813 and 286,194,820 is: 621,656,467.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,756,813 : 286,194,820 = 286,194,820 : x
  2. Step 2: Convert to fraction form
    131,756,813/286,194,820 = 286,194,820/x
  3. Step 3: Cross multiply
    131,756,813x = 286,194,820 × 286,194,820
  4. Step 4: Simplify right side
    131,756,813x = 81,907,474,994,832,400
  5. Step 5: Solve for x
    x = 81,907,474,994,832,400/131,756,813
  6. Step 6: Final answer
    x = 621,656,467.93

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.