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Finding the Third Proportional to 127,904,924 and 281,313,166

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Solution

The third proportional to 127,904,924 and 281,313,166 is: 618,718,145.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,904,924 : 281,313,166 = 281,313,166 : x
  2. Step 2: Convert to fraction form
    127,904,924/281,313,166 = 281,313,166/x
  3. Step 3: Cross multiply
    127,904,924x = 281,313,166 × 281,313,166
  4. Step 4: Simplify right side
    127,904,924x = 79,137,097,364,943,552
  5. Step 5: Solve for x
    x = 79,137,097,364,943,552/127,904,924
  6. Step 6: Final answer
    x = 618,718,145.40

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.