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Finding the Third Proportional to 18,456,433 and 40,386,523

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Solution

The third proportional to 18,456,433 and 40,386,523 is: 88,374,131.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456,433 : 40,386,523 = 40,386,523 : x
  2. Step 2: Convert to fraction form
    18,456,433/40,386,523 = 40,386,523/x
  3. Step 3: Cross multiply
    18,456,433x = 40,386,523 × 40,386,523
  4. Step 4: Simplify right side
    18,456,433x = 1,631,071,240,029,529
  5. Step 5: Solve for x
    x = 1,631,071,240,029,529/18,456,433
  6. Step 6: Final answer
    x = 88,374,131.67

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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.