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Finding the Third Proportional to 153,131,858 and 235,374,664

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Solution

The third proportional to 153,131,858 and 235,374,664 is: 361,787,763.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,131,858 : 235,374,664 = 235,374,664 : x
  2. Step 2: Convert to fraction form
    153,131,858/235,374,664 = 235,374,664/x
  3. Step 3: Cross multiply
    153,131,858x = 235,374,664 × 235,374,664
  4. Step 4: Simplify right side
    153,131,858x = 55,401,232,453,112,896
  5. Step 5: Solve for x
    x = 55,401,232,453,112,896/153,131,858
  6. Step 6: Final answer
    x = 361,787,763.67

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.