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Finding the Third Proportional to 18,623,412 and 40,709,736

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Solution

The third proportional to 18,623,412 and 40,709,736 is: 88,989,203.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623,412 : 40,709,736 = 40,709,736 : x
  2. Step 2: Convert to fraction form
    18,623,412/40,709,736 = 40,709,736/x
  3. Step 3: Cross multiply
    18,623,412x = 40,709,736 × 40,709,736
  4. Step 4: Simplify right side
    18,623,412x = 1,657,282,605,189,696
  5. Step 5: Solve for x
    x = 1,657,282,605,189,696/18,623,412
  6. Step 6: Final answer
    x = 88,989,203.76

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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.