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Finding the Third Proportional to 3,316,426 and 5,121,232

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Solution

The third proportional to 3,316,426 and 5,121,232 is: 7,908,217.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316,426 : 5,121,232 = 5,121,232 : x
  2. Step 2: Convert to fraction form
    3,316,426/5,121,232 = 5,121,232/x
  3. Step 3: Cross multiply
    3,316,426x = 5,121,232 × 5,121,232
  4. Step 4: Simplify right side
    3,316,426x = 26,227,017,197,824
  5. Step 5: Solve for x
    x = 26,227,017,197,824/3,316,426
  6. Step 6: Final answer
    x = 7,908,217.22

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.