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Finding the Third Proportional to 153,911,437.03 and 338,604,858.56

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Solution

The third proportional to 153,911,437.03 and 338,604,858.56 is: 744,930,022.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,911,437.03 : 338,604,858.56 = 338,604,858.56 : x
  2. Step 2: Convert to fraction form
    153,911,437.03/338,604,858.56 = 338,604,858.56/x
  3. Step 3: Cross multiply
    153,911,437.03x = 338,604,858.56 × 338,604,858.56
  4. Step 4: Simplify right side
    153,911,437.03x = 114,653,250,242,130,624
  5. Step 5: Solve for x
    x = 114,653,250,242,130,624/153,911,437.03
  6. Step 6: Final answer
    x = 744,930,022.44

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.