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Finding the Third Proportional to 12,390,998.50 and 26,841,364.50

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Solution

The third proportional to 12,390,998.50 and 26,841,364.50 is: 58,143,728.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,390,998.50 : 26,841,364.50 = 26,841,364.50 : x
  2. Step 2: Convert to fraction form
    12,390,998.50/26,841,364.50 = 26,841,364.50/x
  3. Step 3: Cross multiply
    12,390,998.50x = 26,841,364.50 × 26,841,364.50
  4. Step 4: Simplify right side
    12,390,998.50x = 720,458,848,221,860.25
  5. Step 5: Solve for x
    x = 720,458,848,221,860.25/12,390,998.50
  6. Step 6: Final answer
    x = 58,143,728.14

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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.