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Finding the Third Proportional to 12,141,543 and 18,681,263

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Solution

The third proportional to 12,141,543 and 18,681,263 is: 28,743,429.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141,543 : 18,681,263 = 18,681,263 : x
  2. Step 2: Convert to fraction form
    12,141,543/18,681,263 = 18,681,263/x
  3. Step 3: Cross multiply
    12,141,543x = 18,681,263 × 18,681,263
  4. Step 4: Simplify right side
    12,141,543x = 348,989,587,275,169
  5. Step 5: Solve for x
    x = 348,989,587,275,169/12,141,543
  6. Step 6: Final answer
    x = 28,743,429.67

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.