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Finding the Third Proportional to 19,258,974 and 39,190,552

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Solution

The third proportional to 19,258,974 and 39,190,552 is: 79,749,802.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,258,974 : 39,190,552 = 39,190,552 : x
  2. Step 2: Convert to fraction form
    19,258,974/39,190,552 = 39,190,552/x
  3. Step 3: Cross multiply
    19,258,974x = 39,190,552 × 39,190,552
  4. Step 4: Simplify right side
    19,258,974x = 1,535,899,366,064,704
  5. Step 5: Solve for x
    x = 1,535,899,366,064,704/19,258,974
  6. Step 6: Final answer
    x = 79,749,802.15

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.