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Finding the Third Proportional to 446,905 and 625,132.50

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Solution

The third proportional to 446,905 and 625,132.50 is: 874,437.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,905 : 625,132.50 = 625,132.50 : x
  2. Step 2: Convert to fraction form
    446,905/625,132.50 = 625,132.50/x
  3. Step 3: Cross multiply
    446,905x = 625,132.50 × 625,132.50
  4. Step 4: Simplify right side
    446,905x = 390,790,642,556.25
  5. Step 5: Solve for x
    x = 390,790,642,556.25/446,905
  6. Step 6: Final answer
    x = 874,437.84

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.