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Finding the Third Proportional to 115,429,838,212 and 248,231,470,154

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Solution

The third proportional to 115,429,838,212 and 248,231,470,154 is: 533,820,922,989.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,429,838,212 : 248,231,470,154 = 248,231,470,154 : x
  2. Step 2: Convert to fraction form
    115,429,838,212/248,231,470,154 = 248,231,470,154/x
  3. Step 3: Cross multiply
    115,429,838,212x = 248,231,470,154 × 248,231,470,154
  4. Step 4: Simplify right side
    115,429,838,212x = 61,618,862,774,816,195,215,360
  5. Step 5: Solve for x
    x = 61,618,862,774,816,195,215,360/115,429,838,212
  6. Step 6: Final answer
    x = 533,820,922,989.13

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.