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Finding the Third Proportional to 13,261,580 and 28,988,530

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Solution

The third proportional to 13,261,580 and 28,988,530 is: 63,366,120.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261,580 : 28,988,530 = 28,988,530 : x
  2. Step 2: Convert to fraction form
    13,261,580/28,988,530 = 28,988,530/x
  3. Step 3: Cross multiply
    13,261,580x = 28,988,530 × 28,988,530
  4. Step 4: Simplify right side
    13,261,580x = 840,334,871,560,900
  5. Step 5: Solve for x
    x = 840,334,871,560,900/13,261,580
  6. Step 6: Final answer
    x = 63,366,120.14

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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.