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Finding the Third Proportional to 306,855,340.88 and 673,119,443.25

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Solution

The third proportional to 306,855,340.88 and 673,119,443.25 is: 1,476,558,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,855,340.88 : 673,119,443.25 = 673,119,443.25 : x
  2. Step 2: Convert to fraction form
    306,855,340.88/673,119,443.25 = 673,119,443.25/x
  3. Step 3: Cross multiply
    306,855,340.88x = 673,119,443.25 × 673,119,443.25
  4. Step 4: Simplify right side
    306,855,340.88x = 453,089,784,881,189,952
  5. Step 5: Solve for x
    x = 453,089,784,881,189,952/306,855,340.88
  6. Step 6: Final answer
    x = 1,476,558,249.20

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.