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Finding the Third Proportional to 9,472,755 and 20,748,318

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Solution

The third proportional to 9,472,755 and 20,748,318 is: 45,445,353.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,472,755 : 20,748,318 = 20,748,318 : x
  2. Step 2: Convert to fraction form
    9,472,755/20,748,318 = 20,748,318/x
  3. Step 3: Cross multiply
    9,472,755x = 20,748,318 × 20,748,318
  4. Step 4: Simplify right side
    9,472,755x = 430,492,699,829,124
  5. Step 5: Solve for x
    x = 430,492,699,829,124/9,472,755
  6. Step 6: Final answer
    x = 45,445,353.52

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.