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Finding the Third Proportional to 18,623,423 and 40,709,758

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Solution

The third proportional to 18,623,423 and 40,709,758 is: 88,989,247.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623,423 : 40,709,758 = 40,709,758 : x
  2. Step 2: Convert to fraction form
    18,623,423/40,709,758 = 40,709,758/x
  3. Step 3: Cross multiply
    18,623,423x = 40,709,758 × 40,709,758
  4. Step 4: Simplify right side
    18,623,423x = 1,657,284,396,418,564
  5. Step 5: Solve for x
    x = 1,657,284,396,418,564/18,623,423
  6. Step 6: Final answer
    x = 88,989,247.38

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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.