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Finding the Third Proportional to 136,215,420 and 302,663,928

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Solution

The third proportional to 136,215,420 and 302,663,928 is: 672,504,282.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,215,420 : 302,663,928 = 302,663,928 : x
  2. Step 2: Convert to fraction form
    136,215,420/302,663,928 = 302,663,928/x
  3. Step 3: Cross multiply
    136,215,420x = 302,663,928 × 302,663,928
  4. Step 4: Simplify right side
    136,215,420x = 91,605,453,312,389,184
  5. Step 5: Solve for x
    x = 91,605,453,312,389,184/136,215,420
  6. Step 6: Final answer
    x = 672,504,282.65

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.