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Finding the Third Proportional to 79,706,389.50 and 130,153,351.50

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Solution

The third proportional to 79,706,389.50 and 130,153,351.50 is: 212,528,694.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,706,389.50 : 130,153,351.50 = 130,153,351.50 : x
  2. Step 2: Convert to fraction form
    79,706,389.50/130,153,351.50 = 130,153,351.50/x
  3. Step 3: Cross multiply
    79,706,389.50x = 130,153,351.50 × 130,153,351.50
  4. Step 4: Simplify right side
    79,706,389.50x = 16,939,894,906,682,552
  5. Step 5: Solve for x
    x = 16,939,894,906,682,552/79,706,389.50
  6. Step 6: Final answer
    x = 212,528,694.54

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.