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Finding the Third Proportional to 11,862,783 and 18,988,177.50

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Solution

The third proportional to 11,862,783 and 18,988,177.50 is: 30,393,448.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862,783 : 18,988,177.50 = 18,988,177.50 : x
  2. Step 2: Convert to fraction form
    11,862,783/18,988,177.50 = 18,988,177.50/x
  3. Step 3: Cross multiply
    11,862,783x = 18,988,177.50 × 18,988,177.50
  4. Step 4: Simplify right side
    11,862,783x = 360,550,884,771,506.25
  5. Step 5: Solve for x
    x = 360,550,884,771,506.25/11,862,783
  6. Step 6: Final answer
    x = 30,393,448.55

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.