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Finding the Third Proportional to 18,778,764 and 39,575,022

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Solution

The third proportional to 18,778,764 and 39,575,022 is: 83,401,781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,778,764 : 39,575,022 = 39,575,022 : x
  2. Step 2: Convert to fraction form
    18,778,764/39,575,022 = 39,575,022/x
  3. Step 3: Cross multiply
    18,778,764x = 39,575,022 × 39,575,022
  4. Step 4: Simplify right side
    18,778,764x = 1,566,182,366,300,484
  5. Step 5: Solve for x
    x = 1,566,182,366,300,484/18,778,764
  6. Step 6: Final answer
    x = 83,401,781.20

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.