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Finding the Third Proportional to 20,433,492 and 31,641,678

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Solution

The third proportional to 20,433,492 and 31,641,678 is: 48,997,782.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,433,492 : 31,641,678 = 31,641,678 : x
  2. Step 2: Convert to fraction form
    20,433,492/31,641,678 = 31,641,678/x
  3. Step 3: Cross multiply
    20,433,492x = 31,641,678 × 31,641,678
  4. Step 4: Simplify right side
    20,433,492x = 1,001,195,786,655,684
  5. Step 5: Solve for x
    x = 1,001,195,786,655,684/20,433,492
  6. Step 6: Final answer
    x = 48,997,782.01

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.