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Finding the Third Proportional to 172,291,006 and 260,487,881

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Solution

The third proportional to 172,291,006 and 260,487,881 is: 393,833,304.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,291,006 : 260,487,881 = 260,487,881 : x
  2. Step 2: Convert to fraction form
    172,291,006/260,487,881 = 260,487,881/x
  3. Step 3: Cross multiply
    172,291,006x = 260,487,881 × 260,487,881
  4. Step 4: Simplify right side
    172,291,006x = 67,853,936,147,870,160
  5. Step 5: Solve for x
    x = 67,853,936,147,870,160/172,291,006
  6. Step 6: Final answer
    x = 393,833,304.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.