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Finding the Third Proportional to 13,515,430.50 and 27,988,989.75

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Solution

The third proportional to 13,515,430.50 and 27,988,989.75 is: 57,962,160.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,515,430.50 : 27,988,989.75 = 27,988,989.75 : x
  2. Step 2: Convert to fraction form
    13,515,430.50/27,988,989.75 = 27,988,989.75/x
  3. Step 3: Cross multiply
    13,515,430.50x = 27,988,989.75 × 27,988,989.75
  4. Step 4: Simplify right side
    13,515,430.50x = 783,383,547,225,605
  5. Step 5: Solve for x
    x = 783,383,547,225,605/13,515,430.50
  6. Step 6: Final answer
    x = 57,962,160.16

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.