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Finding the Third Proportional to 1,385,600 and 2,977,478

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Solution

The third proportional to 1,385,600 and 2,977,478 is: 6,398,221.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,600 : 2,977,478 = 2,977,478 : x
  2. Step 2: Convert to fraction form
    1,385,600/2,977,478 = 2,977,478/x
  3. Step 3: Cross multiply
    1,385,600x = 2,977,478 × 2,977,478
  4. Step 4: Simplify right side
    1,385,600x = 8,865,375,240,484
  5. Step 5: Solve for x
    x = 8,865,375,240,484/1,385,600
  6. Step 6: Final answer
    x = 6,398,221.16

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.