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Finding the Third Proportional to 172,649,055 and 361,259,646

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Solution

The third proportional to 172,649,055 and 361,259,646 is: 755,918,020.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,649,055 : 361,259,646 = 361,259,646 : x
  2. Step 2: Convert to fraction form
    172,649,055/361,259,646 = 361,259,646/x
  3. Step 3: Cross multiply
    172,649,055x = 361,259,646 × 361,259,646
  4. Step 4: Simplify right side
    172,649,055x = 130,508,531,828,045,312
  5. Step 5: Solve for x
    x = 130,508,531,828,045,312/172,649,055
  6. Step 6: Final answer
    x = 755,918,020.10

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.