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Finding the Third Proportional to 73,815,014 and 172,465,187

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Solution

The third proportional to 73,815,014 and 172,465,187 is: 402,956,514.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,815,014 : 172,465,187 = 172,465,187 : x
  2. Step 2: Convert to fraction form
    73,815,014/172,465,187 = 172,465,187/x
  3. Step 3: Cross multiply
    73,815,014x = 172,465,187 × 172,465,187
  4. Step 4: Simplify right side
    73,815,014x = 29,744,240,726,944,968
  5. Step 5: Solve for x
    x = 29,744,240,726,944,968/73,815,014
  6. Step 6: Final answer
    x = 402,956,514.06

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.