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Finding the Third Proportional to 135,054,621 and 290,584,484

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Solution

The third proportional to 135,054,621 and 290,584,484 is: 625,223,644.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,054,621 : 290,584,484 = 290,584,484 : x
  2. Step 2: Convert to fraction form
    135,054,621/290,584,484 = 290,584,484/x
  3. Step 3: Cross multiply
    135,054,621x = 290,584,484 × 290,584,484
  4. Step 4: Simplify right side
    135,054,621x = 84,439,342,341,546,256
  5. Step 5: Solve for x
    x = 84,439,342,341,546,256/135,054,621
  6. Step 6: Final answer
    x = 625,223,644.45

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.