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Finding the Third Proportional to 19,837,644 and 30,640,428

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Solution

The third proportional to 19,837,644 and 30,640,428 is: 47,325,974.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,837,644 : 30,640,428 = 30,640,428 : x
  2. Step 2: Convert to fraction form
    19,837,644/30,640,428 = 30,640,428/x
  3. Step 3: Cross multiply
    19,837,644x = 30,640,428 × 30,640,428
  4. Step 4: Simplify right side
    19,837,644x = 938,835,828,023,184
  5. Step 5: Solve for x
    x = 938,835,828,023,184/19,837,644
  6. Step 6: Final answer
    x = 47,325,974.19

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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.