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Finding the Third Proportional to 9,642,553 and 20,592,835

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Solution

The third proportional to 9,642,553 and 20,592,835 is: 43,978,483.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,642,553 : 20,592,835 = 20,592,835 : x
  2. Step 2: Convert to fraction form
    9,642,553/20,592,835 = 20,592,835/x
  3. Step 3: Cross multiply
    9,642,553x = 20,592,835 × 20,592,835
  4. Step 4: Simplify right side
    9,642,553x = 424,064,853,337,225
  5. Step 5: Solve for x
    x = 424,064,853,337,225/9,642,553
  6. Step 6: Final answer
    x = 43,978,483.02

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.