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Finding the Third Proportional to 254,157,786 and 554,925,240

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Solution

The third proportional to 254,157,786 and 554,925,240 is: 1,211,617,502.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,157,786 : 554,925,240 = 554,925,240 : x
  2. Step 2: Convert to fraction form
    254,157,786/554,925,240 = 554,925,240/x
  3. Step 3: Cross multiply
    254,157,786x = 554,925,240 × 554,925,240
  4. Step 4: Simplify right side
    254,157,786x = 307,942,021,989,057,600
  5. Step 5: Solve for x
    x = 307,942,021,989,057,600/254,157,786
  6. Step 6: Final answer
    x = 1,211,617,502.79

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.