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Finding the Third Proportional to 62,398,646 and 139,136,344

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Solution

The third proportional to 62,398,646 and 139,136,344 is: 310,245,870.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,398,646 : 139,136,344 = 139,136,344 : x
  2. Step 2: Convert to fraction form
    62,398,646/139,136,344 = 139,136,344/x
  3. Step 3: Cross multiply
    62,398,646x = 139,136,344 × 139,136,344
  4. Step 4: Simplify right side
    62,398,646x = 19,358,922,221,686,336
  5. Step 5: Solve for x
    x = 19,358,922,221,686,336/62,398,646
  6. Step 6: Final answer
    x = 310,245,870.11

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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.