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Finding the Third Proportional to 62,398,644 and 139,136,340

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Solution

The third proportional to 62,398,644 and 139,136,340 is: 310,245,862.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,398,644 : 139,136,340 = 139,136,340 : x
  2. Step 2: Convert to fraction form
    62,398,644/139,136,340 = 139,136,340/x
  3. Step 3: Cross multiply
    62,398,644x = 139,136,340 × 139,136,340
  4. Step 4: Simplify right side
    62,398,644x = 19,358,921,108,595,600
  5. Step 5: Solve for x
    x = 19,358,921,108,595,600/62,398,644
  6. Step 6: Final answer
    x = 310,245,862.21

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.