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Finding the Third Proportional to 1,223,426 and 2,634,340

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Solution

The third proportional to 1,223,426 and 2,634,340 is: 5,672,388.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,426 : 2,634,340 = 2,634,340 : x
  2. Step 2: Convert to fraction form
    1,223,426/2,634,340 = 2,634,340/x
  3. Step 3: Cross multiply
    1,223,426x = 2,634,340 × 2,634,340
  4. Step 4: Simplify right side
    1,223,426x = 6,939,747,235,600
  5. Step 5: Solve for x
    x = 6,939,747,235,600/1,223,426
  6. Step 6: Final answer
    x = 5,672,388.22

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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.