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Finding the Third Proportional to 25,720,492 and 55,479,400

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Solution

The third proportional to 25,720,492 and 55,479,400 is: 119,669,710.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,720,492 : 55,479,400 = 55,479,400 : x
  2. Step 2: Convert to fraction form
    25,720,492/55,479,400 = 55,479,400/x
  3. Step 3: Cross multiply
    25,720,492x = 55,479,400 × 55,479,400
  4. Step 4: Simplify right side
    25,720,492x = 3,077,963,824,360,000
  5. Step 5: Solve for x
    x = 3,077,963,824,360,000/25,720,492
  6. Step 6: Final answer
    x = 119,669,710.22

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.