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Finding the Third Proportional to 153,131,670 and 235,374,354

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Solution

The third proportional to 153,131,670 and 235,374,354 is: 361,787,254.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,131,670 : 235,374,354 = 235,374,354 : x
  2. Step 2: Convert to fraction form
    153,131,670/235,374,354 = 235,374,354/x
  3. Step 3: Cross multiply
    153,131,670x = 235,374,354 × 235,374,354
  4. Step 4: Simplify right side
    153,131,670x = 55,401,086,520,917,312
  5. Step 5: Solve for x
    x = 55,401,086,520,917,312/153,131,670
  6. Step 6: Final answer
    x = 361,787,254.86

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.