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Finding the Third Proportional to 89,391,364 and 136,686,176

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Solution

The third proportional to 89,391,364 and 136,686,176 is: 209,003,530.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,391,364 : 136,686,176 = 136,686,176 : x
  2. Step 2: Convert to fraction form
    89,391,364/136,686,176 = 136,686,176/x
  3. Step 3: Cross multiply
    89,391,364x = 136,686,176 × 136,686,176
  4. Step 4: Simplify right side
    89,391,364x = 18,683,110,709,502,976
  5. Step 5: Solve for x
    x = 18,683,110,709,502,976/89,391,364
  6. Step 6: Final answer
    x = 209,003,530.92

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.