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Finding the Third Proportional to 19,373,430 and 41,828,721

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Solution

The third proportional to 19,373,430 and 41,828,721 is: 90,311,416.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,373,430 : 41,828,721 = 41,828,721 : x
  2. Step 2: Convert to fraction form
    19,373,430/41,828,721 = 41,828,721/x
  3. Step 3: Cross multiply
    19,373,430x = 41,828,721 × 41,828,721
  4. Step 4: Simplify right side
    19,373,430x = 1,749,641,900,495,841
  5. Step 5: Solve for x
    x = 1,749,641,900,495,841/19,373,430
  6. Step 6: Final answer
    x = 90,311,416.23

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.