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Finding the Third Proportional to 15,652,215 and 20,582,586

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Solution

The third proportional to 15,652,215 and 20,582,586 is: 27,065,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,652,215 : 20,582,586 = 20,582,586 : x
  2. Step 2: Convert to fraction form
    15,652,215/20,582,586 = 20,582,586/x
  3. Step 3: Cross multiply
    15,652,215x = 20,582,586 × 20,582,586
  4. Step 4: Simplify right side
    15,652,215x = 423,642,846,447,396
  5. Step 5: Solve for x
    x = 423,642,846,447,396/15,652,215
  6. Step 6: Final answer
    x = 27,065,999.70

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.