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Finding the Third Proportional to 9,905,506.88 and 21,459,741.75

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Solution

The third proportional to 9,905,506.88 and 21,459,741.75 is: 46,491,363.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905,506.88 : 21,459,741.75 = 21,459,741.75 : x
  2. Step 2: Convert to fraction form
    9,905,506.88/21,459,741.75 = 21,459,741.75/x
  3. Step 3: Cross multiply
    9,905,506.88x = 21,459,741.75 × 21,459,741.75
  4. Step 4: Simplify right side
    9,905,506.88x = 460,520,515,976,693.06
  5. Step 5: Solve for x
    x = 460,520,515,976,693.06/9,905,506.88
  6. Step 6: Final answer
    x = 46,491,363.02

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.