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Finding the Third Proportional to 18,401,215.50 and 28,868,608.13

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Solution

The third proportional to 18,401,215.50 and 28,868,608.13 is: 45,290,298.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401,215.50 : 28,868,608.13 = 28,868,608.13 : x
  2. Step 2: Convert to fraction form
    18,401,215.50/28,868,608.13 = 28,868,608.13/x
  3. Step 3: Cross multiply
    18,401,215.50x = 28,868,608.13 × 28,868,608.13
  4. Step 4: Simplify right side
    18,401,215.50x = 833,396,535,074,816
  5. Step 5: Solve for x
    x = 833,396,535,074,816/18,401,215.50
  6. Step 6: Final answer
    x = 45,290,298.08

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.