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Finding the Third Proportional to 424,976,258 and 625,311,915

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Solution

The third proportional to 424,976,258 and 625,311,915 is: 920,086,672.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,976,258 : 625,311,915 = 625,311,915 : x
  2. Step 2: Convert to fraction form
    424,976,258/625,311,915 = 625,311,915/x
  3. Step 3: Cross multiply
    424,976,258x = 625,311,915 × 625,311,915
  4. Step 4: Simplify right side
    424,976,258x = 391,014,991,040,967,232
  5. Step 5: Solve for x
    x = 391,014,991,040,967,232/424,976,258
  6. Step 6: Final answer
    x = 920,086,672.33

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.