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Finding the Third Proportional to 357,894 and 771,828.75

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Solution

The third proportional to 357,894 and 771,828.75 is: 1,664,514.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,894 : 771,828.75 = 771,828.75 : x
  2. Step 2: Convert to fraction form
    357,894/771,828.75 = 771,828.75/x
  3. Step 3: Cross multiply
    357,894x = 771,828.75 × 771,828.75
  4. Step 4: Simplify right side
    357,894x = 595,719,619,326.56
  5. Step 5: Solve for x
    x = 595,719,619,326.56/357,894
  6. Step 6: Final answer
    x = 1,664,514.13

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.