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Finding the Third Proportional to 12,187,232 and 18,931,632

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Solution

The third proportional to 12,187,232 and 18,931,632 is: 29,408,375.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,187,232 : 18,931,632 = 18,931,632 : x
  2. Step 2: Convert to fraction form
    12,187,232/18,931,632 = 18,931,632/x
  3. Step 3: Cross multiply
    12,187,232x = 18,931,632 × 18,931,632
  4. Step 4: Simplify right side
    12,187,232x = 358,406,690,183,424
  5. Step 5: Solve for x
    x = 358,406,690,183,424/12,187,232
  6. Step 6: Final answer
    x = 29,408,375.11

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.