Home / 261,074,958.75-391,612,486.50

Finding the Third Proportional to 261,074,958.75 and 391,612,486.50

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Solution

The third proportional to 261,074,958.75 and 391,612,486.50 is: 587,418,802.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,074,958.75 : 391,612,486.50 = 391,612,486.50 : x
  2. Step 2: Convert to fraction form
    261,074,958.75/391,612,486.50 = 391,612,486.50/x
  3. Step 3: Cross multiply
    261,074,958.75x = 391,612,486.50 × 391,612,486.50
  4. Step 4: Simplify right side
    261,074,958.75x = 153,360,339,582,712,672
  5. Step 5: Solve for x
    x = 153,360,339,582,712,672/261,074,958.75
  6. Step 6: Final answer
    x = 587,418,802.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.