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Finding the Third Proportional to 12,390,999.75 and 26,841,368.25

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Solution

The third proportional to 12,390,999.75 and 26,841,368.25 is: 58,143,738.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,390,999.75 : 26,841,368.25 = 26,841,368.25 : x
  2. Step 2: Convert to fraction form
    12,390,999.75/26,841,368.25 = 26,841,368.25/x
  3. Step 3: Cross multiply
    12,390,999.75x = 26,841,368.25 × 26,841,368.25
  4. Step 4: Simplify right side
    12,390,999.75x = 720,459,049,532,108
  5. Step 5: Solve for x
    x = 720,459,049,532,108/12,390,999.75
  6. Step 6: Final answer
    x = 58,143,738.53

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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.