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Finding the Third Proportional to 15,329,430 and 33,380,460

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Solution

The third proportional to 15,329,430 and 33,380,460 is: 72,687,315.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,329,430 : 33,380,460 = 33,380,460 : x
  2. Step 2: Convert to fraction form
    15,329,430/33,380,460 = 33,380,460/x
  3. Step 3: Cross multiply
    15,329,430x = 33,380,460 × 33,380,460
  4. Step 4: Simplify right side
    15,329,430x = 1,114,255,109,811,600
  5. Step 5: Solve for x
    x = 1,114,255,109,811,600/15,329,430
  6. Step 6: Final answer
    x = 72,687,315.17

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.