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Finding the Third Proportional to 172,291,381.59 and 260,488,239.19

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Solution

The third proportional to 172,291,381.59 and 260,488,239.19 is: 393,833,528.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,291,381.59 : 260,488,239.19 = 260,488,239.19 : x
  2. Step 2: Convert to fraction form
    172,291,381.59/260,488,239.19 = 260,488,239.19/x
  3. Step 3: Cross multiply
    172,291,381.59x = 260,488,239.19 × 260,488,239.19
  4. Step 4: Simplify right side
    172,291,381.59x = 67,854,122,755,004,208
  5. Step 5: Solve for x
    x = 67,854,122,755,004,208/172,291,381.59
  6. Step 6: Final answer
    x = 393,833,528.57

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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.