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Finding the Third Proportional to 10,542,445 and 16,291,478

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Solution

The third proportional to 10,542,445 and 16,291,478 is: 25,175,588.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542,445 : 16,291,478 = 16,291,478 : x
  2. Step 2: Convert to fraction form
    10,542,445/16,291,478 = 16,291,478/x
  3. Step 3: Cross multiply
    10,542,445x = 16,291,478 × 16,291,478
  4. Step 4: Simplify right side
    10,542,445x = 265,412,255,424,484
  5. Step 5: Solve for x
    x = 265,412,255,424,484/10,542,445
  6. Step 6: Final answer
    x = 25,175,588.34

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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.