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Finding the Third Proportional to 36,191,572 and 78,751,687

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Solution

The third proportional to 36,191,572 and 78,751,687 is: 171,361,117.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,191,572 : 78,751,687 = 78,751,687 : x
  2. Step 2: Convert to fraction form
    36,191,572/78,751,687 = 78,751,687/x
  3. Step 3: Cross multiply
    36,191,572x = 78,751,687 × 78,751,687
  4. Step 4: Simplify right side
    36,191,572x = 6,201,828,205,345,969
  5. Step 5: Solve for x
    x = 6,201,828,205,345,969/36,191,572
  6. Step 6: Final answer
    x = 171,361,117.04

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.