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Finding the Third Proportional to 19,811,712 and 43,140,586

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Solution

The third proportional to 19,811,712 and 43,140,586 is: 93,939,895.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,811,712 : 43,140,586 = 43,140,586 : x
  2. Step 2: Convert to fraction form
    19,811,712/43,140,586 = 43,140,586/x
  3. Step 3: Cross multiply
    19,811,712x = 43,140,586 × 43,140,586
  4. Step 4: Simplify right side
    19,811,712x = 1,861,110,160,423,396
  5. Step 5: Solve for x
    x = 1,861,110,160,423,396/19,811,712
  6. Step 6: Final answer
    x = 93,939,895.78

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.