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Finding the Third Proportional to 10,061,779.50 and 21,716,781.75

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Solution

The third proportional to 10,061,779.50 and 21,716,781.75 is: 46,872,286.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,061,779.50 : 21,716,781.75 = 21,716,781.75 : x
  2. Step 2: Convert to fraction form
    10,061,779.50/21,716,781.75 = 21,716,781.75/x
  3. Step 3: Cross multiply
    10,061,779.50x = 21,716,781.75 × 21,716,781.75
  4. Step 4: Simplify right side
    10,061,779.50x = 471,618,609,577,133.06
  5. Step 5: Solve for x
    x = 471,618,609,577,133.06/10,061,779.50
  6. Step 6: Final answer
    x = 46,872,286.32

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.